![\"\"](\"https:\/\/lzbmetal.com\/wp-content\/uploads\/2025\/10\/600x600x55-\u590d\u5408\u65b9\u4e951.jpg\")
<\/figure>\n<\/div>\n\n\nTuy nhi\u00ean, khi \u0111\u1ed1i m\u1eb7t v\u1edbi c\u00e1c \u0111i\u1ec1u kho\u1ea3n k\u1ef9 thu\u1eadt ph\u1ee9c t\u1ea1p v\u00e0 y\u00eau c\u1ea7u th\u1eed nghi\u1ec7m kh\u1eaft khe, nhi\u1ec1u b\u00ean li\u00ean quan \u0111\u1ebfn d\u1ef1 \u00e1n c\u00f3 th\u1ec3 r\u01a1i v\u00e0o suy ngh\u0129 "tu\u00e2n th\u1ee7 l\u00e0 \u0111\u1ee7", b\u1ecf qua th\u1ef1c t\u1ebf r\u1eb1ng c\u00e1c ti\u00eau chu\u1ea9n th\u01b0\u1eddng ch\u1ec9 \u0111\u1eb7t ra ng\u01b0\u1ee1ng t\u1ed1i thi\u1ec3u \u0111\u1ec3 gia nh\u1eadp th\u1ecb tr\u01b0\u1eddng. S\u1ef1 xu\u1ea5t s\u1eafc th\u1ef1c s\u1ef1 trong k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n qua hi\u1ec7u su\u1ea5t h\u1ec7 th\u1ed1ng c\u1ee7a s\u1ea3n ph\u1ea9m v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi c\u00e1c y\u00eau c\u1ea7u ti\u00eau chu\u1ea9n v\u00e0 kh\u1ea3 n\u0103ng cung c\u1ea5p \u1ed5n \u0111\u1ecbnh trong su\u1ed1t qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng l\u00e2u d\u00e0i. C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t ti\u00ean ti\u1ebfn nh\u01b0 LuZhongBao x\u00e2y d\u1ef1ng tri\u1ebft l\u00fd k\u1ef9 thu\u1eadt c\u1ee7a m\u00ecnh d\u1ef1a tr\u00ean vi\u1ec7c ph\u00e2n t\u00edch s\u00e2u v\u00e0 \u1ee9ng d\u1ee5ng h\u01b0\u1edbng t\u1edbi t\u01b0\u01a1ng lai c\u00e1c ti\u00eau chu\u1ea9n ASTM\/EN. LuZhongBao kh\u00f4ng ch\u1ec9 \u0111\u1ea3m b\u1ea3o c\u00e1c d\u00f2ng s\u1ea3n ph\u1ea9m c\u1ee7a m\u00ecnh \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c ch\u1ee9ng nh\u1eadn c\u00f3 uy t\u00edn m\u00e0 c\u00f2n, th\u00f4ng qua c\u00e1c c\u00f4ng ngh\u1ec7 c\u1ed1t l\u00f5i \u0111\u1ed9c quy\u1ec1n, \u0111\u1ea1t \u0111\u01b0\u1ee3c nh\u1eefng \u0111\u1ed9t ph\u00e1 to\u00e0n di\u1ec7n v\u1ec1 hi\u1ec7u su\u1ea5t v\u1eadt li\u1ec7u, t\u1ed1i \u01b0u h\u00f3a c\u1ea5u tr\u00fac v\u00e0 kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng th\u00f4ng minh. \u0110i\u1ec1u n\u00e0y cung c\u1ea5p cho ng\u01b0\u1eddi d\u00f9ng c\u00e1c gi\u1ea3i ph\u00e1p t\u00edch h\u1ee3p v\u01b0\u1ee3t xa s\u1ef1 tu\u00e2n th\u1ee7 c\u01a1 b\u1ea3n, mang l\u1ea1i bi\u00ean \u0111\u1ed9 an to\u00e0n cao h\u01a1n v\u00e0 chi ph\u00ed b\u1ea3o tr\u00ec th\u1ea5p h\u01a1n.<\/p>\n\n\n\n
Ph\u00e2n t\u00edch c\u1ed1t l\u00f5i c\u00e1c h\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n ASTM v\u00e0 EN<\/h3>\n\n\n\n
H\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n ASTM (v\u00ed d\u1ee5: ASTM A48 cho gang x\u00e1m, ASTM A536 cho gang d\u1ebbo) t\u1eadp trung v\u00e0o vi\u1ec7c x\u00e1c \u0111\u1ecbnh c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a v\u1eadt li\u1ec7u, n\u00eau chi ti\u1ebft c\u00e1c ch\u1ec9 s\u1ed1 quan tr\u1ecdng nh\u01b0 th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc, \u0111\u1ed9 b\u1ec1n k\u00e9o, \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 gi\u00e3n d\u00e0i. Tri\u1ebft l\u00fd c\u1ee7a h\u1ec7 th\u1ed1ng n\u00e0y l\u00e0 \u0111\u1eb7t n\u1ec1n t\u1ea3ng cho hi\u1ec7u su\u1ea5t s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng b\u1eb1ng c\u00e1ch ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a "nguy\u00ean li\u1ec7u th\u00f4". V\u00ed d\u1ee5, ASTM A536 \u0111\u1ecbnh ngh\u0129a c\u00e1c lo\u1ea1i gang d\u1ebbo kh\u00e1c nhau, cung c\u1ea5p h\u01b0\u1edbng d\u1eabn r\u00f5 r\u00e0ng cho c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t kh\u00e1c nhau.<\/p>\n\n\n\n
H\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n EN (\u0111\u1eb7c bi\u1ec7t l\u00e0 EN 124) h\u01b0\u1edbng \u0111\u1ebfn \u1ee9ng d\u1ee5ng th\u1ef1c ti\u1ec5n h\u01a1n. C\u1ed1t l\u00f5i c\u1ee7a n\u00f3 n\u1eb1m \u1edf c\u00e1c th\u1eed nghi\u1ec7m \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t c\u1ee7a s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng d\u1ef1a tr\u00ean m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng. EN 124 quy \u0111\u1ecbnh c\u00e1c th\u1eed nghi\u1ec7m t\u1ea3i tr\u1ecdng t\u0129nh, t\u1ea3i tr\u1ecdng m\u1ecfi v\u00e0 bi\u1ebfn d\u1ea1ng d\u01b0 m\u00e0 to\u00e0n b\u1ed9 c\u1ee5m khung v\u00e0 n\u1eafp ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c, d\u1ef1a tr\u00ean c\u00e1c k\u1ecbch b\u1ea3n s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh tr\u01b0\u1edbc (t\u1eeb khu v\u1ef1c d\u00e0nh cho ng\u01b0\u1eddi \u0111i b\u1ed9 \u0111\u1ebfn c\u00e1c c\u1ea3ng h\u1ea1ng n\u1eb7ng). N\u00f3 kh\u00f4ng b\u1eaft bu\u1ed9c nghi\u00eam ng\u1eb7t c\u00e1c v\u1eadt li\u1ec7u nh\u01b0ng x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng hi\u1ec7u su\u1ea5t \u0111\u1ea7u ra. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra kh\u00f4ng gian cho c\u00e1c v\u1eadt li\u1ec7u v\u00e0 quy tr\u00ecnh m\u1edbi \u0111\u1ed3ng th\u1eddi \u0111\u1eb7t ra m\u1ed9t th\u00e1ch th\u1ee9c t\u00edch h\u1ee3p \u0111\u1ed1i v\u1edbi thi\u1ebft k\u1ebf t\u1ed5ng th\u1ec3 v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n xu\u1ea5t c\u1ee7a s\u1ea3n ph\u1ea9m.<\/p>\n\n\n
![\"\"](\"https:\/\/lzbmetal.com\/wp-content\/uploads\/2025\/10\/500x300x50-\u590d\u5408\u65b9\u4e951-1-1024x1024.jpg\")
<\/figure>\n<\/div>\n\n\nM\u1eb7c d\u00f9 hai h\u1ec7 th\u1ed1ng ti\u1ebfp c\u1eadn t\u1eeb c\u00e1c g\u00f3c \u0111\u1ed9 kh\u00e1c nhau, ch\u00fang \u0111\u1ec1u h\u1ed9i t\u1ee5 \u1edf c\u00e1c \u1ee9ng d\u1ee5ng cao c\u1ea5p: \u0111\u1ea3m b\u1ea3o l\u1edbp ph\u1ee7 ho\u1ea1t \u0111\u1ed9ng an to\u00e0n v\u00e0 \u0111\u00e1ng tin c\u1eady d\u01b0\u1edbi c\u00e1c t\u1ea3i tr\u1ecdng v\u00e0 m\u00f4i tr\u01b0\u1eddng \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh trong su\u1ed1t v\u00f2ng \u0111\u1eddi s\u1eed d\u1ee5ng d\u1ef1 ki\u1ebfn. M\u1ed9t d\u1ef1 \u00e1n to\u00e0n c\u1ea7u c\u00f3 th\u1ec3 y\u00eau c\u1ea7u tu\u00e2n th\u1ee7 \u0111\u1ed3ng th\u1eddi c\u1ea3 c\u00e1c c\u1ea5p t\u1ea3i EN 124 v\u00e0 ch\u1ee9ng nh\u1eadn v\u1eadt li\u1ec7u ASTM, \u0111\u00f2i h\u1ecfi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t ph\u1ea3i s\u1edf h\u1eefu kh\u1ea3 n\u0103ng t\u00edch h\u1ee3p k\u1ef9 thu\u1eadt s\u00e2u r\u1ed9ng gi\u1eefa c\u00e1c h\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n.<\/p>\n\n\n\n
Gi\u1ea3i th\u00edch chuy\u00ean s\u00e2u v\u1ec1 c\u00e1c ti\u00eau chu\u1ea9n quan tr\u1ecdng v\u00e0 th\u1ef1c ti\u1ec5n si\u00eau vi\u1ec7t c\u1ee7a LuZhongBao.<\/h2>\n\n\n\n1. Ti\u00eau chu\u1ea9n hi\u1ec7u su\u1ea5t t\u1ea3i (C\u1ed1t l\u00f5i: EN 124)<\/h3>\n\n\n\n
Ti\u00eau chu\u1ea9n EN 124 ph\u00e2n lo\u1ea1i c\u00e1c lo\u1ea1i n\u1eafp c\u1ed1ng t\u1eeb A15 (15 kN, d\u00e0nh cho ng\u01b0\u1eddi \u0111i b\u1ed9) \u0111\u1ebfn F900 (900 kN, d\u00e0nh cho s\u00e2n bay, c\u1ea3ng). \u0110\u1ed9 kh\u1eafc nghi\u1ec7t c\u1ee7a qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m kh\u00f4ng ch\u1ec9 n\u1eb1m \u1edf t\u1ea3i tr\u1ecdng ph\u00e1 h\u1ee7y t\u1ed1i \u0111a m\u00e0 c\u00f2n \u1edf h\u00e0ng tri\u1ec7u chu k\u1ef3 m\u1ecfi, m\u00f4 ph\u1ecfng \u0111i\u1ec1u ki\u1ec7n giao th\u00f4ng xe c\u1ed9 th\u1ef1c t\u1ebf trong th\u1eddi gian d\u00e0i.<\/p>\n\n\n\n
Th\u1ef1c ti\u1ec5n v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a LuZhongBao: V\u01b0\u1ee3t xa ti\u00eau chu\u1ea9n ki\u1ec3m tra F900, quy tr\u00ecnh ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng n\u1ed9i b\u1ed9 c\u1ee7a LuZhongBao s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra nghi\u00eam ng\u1eb7t h\u01a1n nh\u01b0 "ki\u1ec3m tra qu\u00e1 t\u1ea3i" v\u00e0 "ki\u1ec3m tra m\u1ecfi t\u0103ng t\u1ed1c". V\u00ed d\u1ee5, t\u1ea3i tr\u1ecdng g\u00e2y h\u1ecfng l\u1ea7n \u0111\u1ea7u c\u1ee7a d\u00f2ng s\u1ea3n ph\u1ea9m ch\u1ecbu t\u1ea3i n\u1eb7ng th\u01b0\u1eddng v\u01b0\u1ee3t qu\u00e1 gi\u00e1 tr\u1ecb danh ngh\u0129a h\u01a1n 30%. H\u01a1n n\u1eefa, \u1edf giai \u0111o\u1ea1n thi\u1ebft k\u1ebf, m\u00f4 ph\u1ecfng tr\u00ean m\u00e1y t\u00ednh s\u1eed d\u1ee5ng t\u1ea3i tr\u1ecdng b\u1ea5t \u0111\u1ed1i x\u1ee9ng c\u1ef1c \u0111oan \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u1ea5u tr\u00fac gia c\u01b0\u1eddng "\u0111a v\u00f2m" \u0111\u1ed9c \u0111\u00e1o c\u1ee7a h\u00e3ng duy tr\u00ec kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n t\u1ea3i tr\u1ecdng v\u01b0\u1ee3t tr\u1ed9i ngay c\u1ea3 trong \u0111i\u1ec1u ki\u1ec7n b\u1ea5t l\u1ee3i nh\u01b0 l\u00fan n\u1ec1n \u0111\u01b0\u1eddng kh\u00f4ng \u0111\u1ec1u, gi\u00fap ng\u0103n ng\u1eeba hi\u1ec7u qu\u1ea3 s\u1ef1 c\u1ed1 b\u1ea5t ng\u1edd do t\u1eadp trung \u1ee9ng su\u1ea5t.<\/p>\n\n\n\n
2. Ti\u00eau chu\u1ea9n v\u1eadt li\u1ec7u (ASTM A536 \/ EN 1563)<\/h3>\n\n\n\n
C\u1ea3 ASTM A536 v\u00e0 EN 1563 \u0111\u1ec1u l\u00e0 c\u00e1c ti\u00eau chu\u1ea9n c\u1ed1t l\u00f5i cho gang d\u1ebbo, quy \u0111\u1ecbnh v\u1ec1 \u0111\u1ed9 b\u1ec1n k\u00e9o, gi\u1edbi h\u1ea1n ch\u1ea3y, \u0111\u1ed9 gi\u00e3n d\u00e0i, v.v. V\u00ed d\u1ee5, m\u00e1c gang th\u00f4ng d\u1ee5ng QT500-7 y\u00eau c\u1ea7u \u0111\u1ed9 b\u1ec1n k\u00e9o 500 MPa v\u00e0 \u0111\u1ed9 gi\u00e3n d\u00e0i 7%.<\/p>\n\n\n\n
Ph\u01b0\u01a1ng ph\u00e1p v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a LuZhongBao: LuZhongBao s\u1eed d\u1ee5ng gang d\u1ebbo \u0111\u1ea5t hi\u1ebfm cao c\u1ea5p v\u00e0 th\u00f4ng qua c\u00e1c quy tr\u00ecnh n\u1ea5u ch\u1ea3y v\u00e0 x\u1eed l\u00fd nhi\u1ec7t \u0111\u01b0\u1ee3c c\u1ea5p b\u1eb1ng s\u00e1ng ch\u1ebf, n\u00e2ng cao m\u1ed9t c\u00e1ch c\u00f3 h\u1ec7 th\u1ed1ng c\u00e1c \u0111\u1eb7c t\u00ednh quan tr\u1ecdng l\u00ean m\u1ee9c QT600-3 v\u00e0 h\u01a1n th\u1ebf n\u1eefa. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 th\u1ec3 hi\u1ec7n \u0111\u1ed9 b\u1ec1n cao h\u01a1n m\u00e0 c\u00f2n c\u1ea3 \u0111\u1ed9 d\u1ebbo dai va \u0111\u1eadp \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ecfi v\u01b0\u1ee3t tr\u1ed9i nh\u1edd c\u1ea5u tr\u00fac vi c\u1ea7u v\u00e0 c\u1ea5u tr\u00fac ma tr\u1eadn \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a. \u01afu \u0111i\u1ec3m n\u00e0y \u1edf c\u1ea5p \u0111\u1ed9 v\u1eadt li\u1ec7u l\u00e0 s\u1ef1 \u0111\u1ea3m b\u1ea3o c\u01a1 b\u1ea3n cho s\u1ef1 \u1ed5n \u0111\u1ecbnh hi\u1ec7u su\u1ea5t l\u00e2u d\u00e0i c\u1ee7a s\u1ea3n ph\u1ea9m trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t, v\u1edbi d\u1eef li\u1ec7u b\u00e1o c\u00e1o th\u1eed nghi\u1ec7m v\u1eadt li\u1ec7u lu\u00f4n v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi ti\u00eau chu\u1ea9n c\u01a1 b\u1ea3n.<\/p>\n\n\n\n
3. C\u00e1c ti\u00eau chu\u1ea9n hi\u1ec7u n\u0103ng ph\u1ee5 tr\u1ee3 (Ch\u1ed1ng tr\u01a1n tr\u01b0\u1ee3t, Ch\u1ed1ng tr\u1ed9m, Ch\u1ed1ng \u0103n m\u00f2n)<\/h3>\n\n\n\n\n- Ch\u1ed1ng tr\u01a1n tr\u01b0\u1ee3t: Th\u01b0\u1eddng tham chi\u1ebfu c\u00e1c ph\u1ee5 l\u1ee5c EN 124 ho\u1eb7c c\u00e1c quy \u0111\u1ecbnh \u0111\u1ecba ph\u01b0\u01a1ng (v\u00ed d\u1ee5: CA\/TL\/R\u5316\/216 c\u1ee7a Anh), y\u00eau c\u1ea7u h\u1ec7 s\u1ed1 ch\u1ed1ng tr\u01a1n tr\u01b0\u1ee3t nh\u1ea5t \u0111\u1ecbnh (gi\u00e1 tr\u1ecb BPN).<\/li>\n\n\n\n
- Ch\u1ed1ng tr\u1ed9m: M\u1eb7c d\u00f9 kh\u00f4ng b\u1eaft bu\u1ed9c theo ti\u00eau chu\u1ea9n EN 124, h\u1ec7 th\u1ed1ng kh\u00f3a ch\u1ed1ng tr\u1ed9m \u0111\u01b0\u1ee3c c\u1ea5p b\u1eb1ng s\u00e1ng ch\u1ebf t\u00edch h\u1ee3p trong c\u00e1c s\u1ea3n ph\u1ea9m LuZhongBao tu\u00e2n th\u1ee7 c\u00e1c nguy\u00ean t\u1eafc b\u1ea3o m\u1eadt ngay t\u1eeb kh\u00e2u thi\u1ebft k\u1ebf nh\u01b0 "Secured by Design" (B\u1ea3o m\u1eadt ngay t\u1eeb kh\u00e2u thi\u1ebft k\u1ebf), cung c\u1ea5p kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 k\u00e9p c\u1ea3 v\u1ec1 c\u01a1 h\u1ecdc v\u00e0 th\u00f4ng minh.<\/li>\n\n\n\n
- Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n: \u0110\u1ed1i v\u1edbi hi\u1ec7n t\u01b0\u1ee3ng \u0103n m\u00f2n do hydro sunfua trong h\u1ec7 th\u1ed1ng c\u1ed1ng r\u00e3nh ho\u1eb7c \u0103n m\u00f2n h\u00f3a h\u1ecdc trong c\u00e1c nh\u00e0 m\u00e1y, c\u00e1c gi\u1ea3i ph\u00e1p c\u1ee7a LuZhongBao nh\u01b0 l\u1edbp ph\u1ee7 epoxy si\u00eau d\u00e0y ho\u1eb7c gang h\u1ee3p kim ch\u1ed1ng \u0103n m\u00f2n tr\u1ea3i qua c\u00e1c th\u1eed nghi\u1ec7m hi\u1ec7u su\u1ea5t (v\u00ed d\u1ee5: th\u1eed nghi\u1ec7m phun mu\u1ed1i) v\u01b0\u1ee3t xa c\u00e1c y\u00eau c\u1ea7u c\u1ee7a c\u00e1c ti\u00eau chu\u1ea9n ch\u1ed1ng \u0103n m\u00f2n chung nh\u01b0 ISO 12944.<\/li>\n<\/ul>\n\n\n\n
4. Ti\u00eau chu\u1ea9n v\u1ec1 \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 s\u1ef1 ph\u00f9 h\u1ee3p trong s\u1ea3n xu\u1ea5t<\/h3>\n\n\n\n
Vi\u1ec7c l\u1eafp r\u00e1p khung v\u1ecf ch\u00ednh x\u00e1c l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 truy\u1ec1n t\u1ea3i t\u1ea3i tr\u1ecdng hi\u1ec7u qu\u1ea3 v\u00e0 v\u1eadn h\u00e0nh \u00eam \u00e1i, \u1ed5n \u0111\u1ecbnh. LuZhongBao s\u1eed d\u1ee5ng gia c\u00f4ng t\u00edch h\u1ee3p CNC trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng \u0111\u1ed5i, \u0111\u1ea3m b\u1ea3o khe h\u1edf c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t to\u00e0n di\u1ec7n \u2013 \u0111\u1ed9 ch\u00ednh x\u00e1c v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m ch\u1ec9 \u0111\u01b0\u1ee3c l\u1eafp r\u00e1p sau khi \u0111\u00fac. V\u0103n h\u00f3a s\u1ea3n xu\u1ea5t ch\u00ednh x\u00e1c n\u00e0y cho ph\u00e9p s\u1ea3n ph\u1ea9m \u0111\u00e1p \u1ee9ng ho\u00e0n h\u1ea3o c\u00e1c y\u00eau c\u1ea7u nghi\u00eam ng\u1eb7t c\u1ee7a ti\u00eau chu\u1ea9n EN 124 v\u1ec1 "bi\u1ebfn d\u1ea1ng d\u01b0" v\u00e0 "ki\u1ec3m tra ch\u1ee9c n\u0103ng".<\/p>\n\n\n
\n![\"\"](\"https:\/\/lzbmetal.com\/wp-content\/uploads\/2025\/09\/700x770x70-\u590d\u5408\u5706\u4e95-1024x1024.jpg\")
<\/figure>\n<\/div>\n\n\nC\u00e1ch \u00e1p d\u1ee5ng c\u00e1c ti\u00eau chu\u1ea9n tuy\u1ec3n ch\u1ecdn v\u00e0 mua s\u1eafm khoa h\u1ecdc<\/h3>\n\n\n\n\n- 1. X\u00e1c \u0111\u1ecbnh k\u1ecbch b\u1ea3n \u1ee9ng d\u1ee5ng v\u00e0 t\u1ea3i tr\u1ecdng t\u1ed1i \u0111a: Tr\u01b0\u1edbc ti\u00ean, h\u00e3y x\u00e1c \u0111\u1ecbnh c\u1ea5p t\u1ea3i tr\u1ecdng t\u1ed1i thi\u1ec3u d\u1ef1a tr\u00ean c\u00e1c quy \u0111\u1ecbnh b\u1eaft bu\u1ed9c c\u1ee7a \u0111\u1ecba \u0111i\u1ec3m d\u1ef1 \u00e1n (c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng ti\u00eau chu\u1ea9n EN, ASTM ho\u1eb7c ti\u00eau chu\u1ea9n \u0111\u1ecba ph\u01b0\u01a1ng) v\u00e0 kh\u1ea3 n\u0103ng l\u01b0u th\u00f4ng c\u1ee7a c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n n\u1eb7ng nh\u1ea5t trong t\u01b0\u01a1ng lai. N\u00ean t\u00edch h\u1ee3p \u00edt nh\u1ea5t m\u1ed9t bi\u00ean \u0111\u1ed9 an to\u00e0n 20%.<\/li>\n\n\n\n
- 2. Gi\u1ea3i m\u00e3 \u00fd ngh\u0129a \u0111\u1eb1ng sau c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt: Y\u00eau c\u1ea7u nh\u00e0 cung c\u1ea5p cung c\u1ea5p ch\u1ee9ng ch\u1ec9 ki\u1ec3m \u0111\u1ecbnh lo\u1ea1i ch\u00ednh th\u1ee9c c\u1ee7a b\u00ean th\u1ee9 ba (v\u00ed d\u1ee5: b\u00e1o c\u00e1o ki\u1ec3m \u0111\u1ecbnh EN 124) v\u00e0 x\u00e1c minh c\u1ea9n th\u1eadn ch\u1ee9ng nh\u1eadn c\u1ee7a c\u01a1 quan ki\u1ec3m \u0111\u1ecbnh c\u0169ng nh\u01b0 s\u1ef1 nh\u1ea5t qu\u00e1n gi\u1eefa m\u1eabu s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c ki\u1ec3m \u0111\u1ecbnh v\u00e0 m\u1eabu s\u1ea3n ph\u1ea9m \u0111ang \u0111\u01b0\u1ee3c mua. \u0110\u1ed1i v\u1edbi v\u1eadt li\u1ec7u ASTM, y\u00eau c\u1ea7u B\u00e1o c\u00e1o Ki\u1ec3m \u0111\u1ecbnh V\u1eadt li\u1ec7u (MTR) cho m\u1ed7i l\u00f4 h\u00e0ng.<\/li>\n\n\n\n
- 3. \u0110\u1eb7t c\u00e2u h\u1ecfi v\u01b0\u1ee3t ra ngo\u00e0i ti\u00eau chu\u1ea9n, t\u1eadp trung v\u00e0o gi\u00e1 tr\u1ecb l\u00e2u d\u00e0i: Trong qu\u00e1 tr\u00ecnh t\u00ecm hi\u1ec3u th\u00f4ng tin, h\u00e3y h\u1ecfi nh\u00e0 cung c\u1ea5p: "S\u1ea3n ph\u1ea9m c\u1ee7a qu\u00fd v\u1ecb v\u01b0\u1ee3t tr\u1ed9i h\u01a1n ti\u00eau chu\u1ea9n \u0111\u00e3 c\u00f4ng b\u1ed1 \u1edf nh\u1eefng kh\u00eda c\u1ea1nh c\u1ee5 th\u1ec3 n\u00e0o? \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c ch\u1ee9ng minh nh\u01b0 th\u1ebf n\u00e0o?", "Qu\u00fd v\u1ecb c\u00f3 th\u1ec3 cung c\u1ea5p d\u1eef li\u1ec7u n\u1ed9i b\u1ed9 t\u1eeb c\u00e1c th\u1eed nghi\u1ec7m m\u1ecfi t\u0103ng t\u1ed1c ho\u1eb7c qu\u00e1 t\u1ea3i kh\u00f4ng?", "Qu\u00fd v\u1ecb c\u00f3 cung c\u1ea5p gi\u1ea3i ph\u00e1p b\u1ea3o v\u1ec7 b\u1ed5 sung n\u00e0o cho m\u00f4i tr\u01b0\u1eddng \u0111\u1eb7c th\u00f9 c\u1ee7a d\u1ef1 \u00e1n n\u00e0y (v\u00ed d\u1ee5: h\u00e0m l\u01b0\u1ee3ng clorua cao, chu k\u1ef3 \u0111\u00f3ng b\u0103ng-tan ch\u1ea3y)?"<\/li>\n\n\n\n
- 4. Ch\u1ecdn nh\u00e0 cung c\u1ea5p c\u00f3 kh\u1ea3 n\u0103ng tu\u00e2n th\u1ee7 nhi\u1ec1u h\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n: \u0110\u1ed1i v\u1edbi c\u00e1c d\u1ef1 \u00e1n qu\u1ed1c t\u1ebf, vi\u1ec7c l\u1ef1a ch\u1ecdn nh\u00e0 cung c\u1ea5p nh\u01b0 LuZhongBao\u2014m\u1ed9t nh\u00e0 cung c\u1ea5p th\u00e0nh th\u1ea1o c\u1ea3 ti\u00eau chu\u1ea9n ASTM v\u00e0 EN, \u0111\u1ed3ng th\u1eddi c\u00f3 th\u1ec3 cung c\u1ea5p chu\u1ed7i b\u1eb1ng ch\u1ee9ng tu\u00e2n th\u1ee7 ho\u00e0n ch\u1ec9nh c\u00f9ng v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p t\u00f9y ch\u1ec9nh\u2014l\u00e0 c\u00e1ch hi\u1ec7u qu\u1ea3 nh\u1ea5t \u0111\u1ec3 gi\u1ea3m thi\u1ec3u r\u1ee7i ro k\u1ef9 thu\u1eadt c\u1ee7a d\u1ef1 \u00e1n.<\/li>\n<\/ul>\n\n\n\n
K\u1ebft lu\u1eadn: T\u1eeb tu\u00e2n th\u1ee7 \u0111\u1ebfn xu\u1ea5t s\u1eafc<\/h3>\n\n\n\n
N\u1eafm v\u1eefng c\u00e1c ti\u00eau chu\u1ea9n ASTM\/EN l\u00e0 k\u1ef9 n\u0103ng thi\u1ebft y\u1ebfu cho vi\u1ec7c mua s\u1eafm chuy\u00ean nghi\u1ec7p c\u00e1c lo\u1ea1i n\u1eafp c\u1ed1ng v\u00e0 h\u1ec7 th\u1ed1ng tho\u00e1t n\u01b0\u1edbc. Tuy nhi\u00ean, s\u1ef1 kh\u00f4n ngoan th\u1ef1c s\u1ef1 n\u1eb1m \u1edf ch\u1ed7 nh\u1eadn ra r\u1eb1ng ti\u00eau chu\u1ea9n ch\u1ec9 l\u00e0 \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u cho s\u1ef1 xu\u1ea5t s\u1eafc, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 \u0111\u00edch \u0111\u1ebfn. Th\u1ef1c ti\u1ec5n th\u00e0nh c\u00f4ng c\u1ee7a LuZhongBao ch\u1ee9ng minh r\u1eb1ng b\u1eb1ng c\u00e1ch coi c\u00e1c ti\u00eau chu\u1ea9n l\u00e0 n\u1ec1n t\u1ea3ng v\u00e0 \u0111\u1ea7u t\u01b0 b\u1ec1n v\u1eefng v\u00e0o khoa h\u1ecdc v\u1eadt li\u1ec7u, k\u1ef9 thu\u1eadt k\u1ebft c\u1ea5u v\u00e0 s\u1ea3n xu\u1ea5t th\u00f4ng minh, c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c s\u1ea3n ph\u1ea9m mang l\u1ea1i gi\u00e1 tr\u1ecb gia t\u0103ng \u0111\u00e1ng k\u1ec3 v\u1ec1 an to\u00e0n, \u0111\u1ed9 b\u1ec1n v\u00e0 hi\u1ec7u qu\u1ea3 kinh t\u1ebf v\u00f2ng \u0111\u1eddi. L\u1ef1a ch\u1ecdn m\u1ed9t \u0111\u1ed1i t\u00e1c nh\u01b0 v\u1eady c\u00f3 ngh\u0129a l\u00e0 d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n kh\u00f4ng ch\u1ec9 nh\u1eadn \u0111\u01b0\u1ee3c m\u1ed9t n\u1eafp c\u1ed1ng "tu\u00e2n th\u1ee7" m\u00e0 c\u00f2n l\u00e0 m\u1ed9t t\u00e0i s\u1ea3n k\u1ef9 thu\u1eadt - m\u1ed9t b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf l\u1ea1c quan, c\u00f3 th\u1ec3 ki\u1ec3m ch\u1ee9ng hi\u1ec7u su\u1ea5t, c\u00f3 kh\u1ea3 n\u0103ng cung c\u1ea5p s\u1ef1 b\u1ea3o v\u1ec7 \u0111\u00e1ng tin c\u1eady trong nhi\u1ec1u th\u1eadp k\u1ef7 cho c\u00e1c m\u1ea1ng l\u01b0\u1edbi ng\u1ea7m. Trong th\u1eddi \u0111\u1ea1i m\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng to\u00e0n c\u1ea7u theo \u0111u\u1ed5i s\u1ef1 an to\u00e0n, th\u00f4ng minh v\u00e0 b\u1ec1n v\u1eefng h\u01a1n, kh\u1ea3 n\u0103ng "xu\u1ea5t s\u1eafc trong k\u1ef9 thu\u1eadt" v\u01b0\u1ee3t ra ngo\u00e0i c\u00e1c ti\u00eau chu\u1ea9n \u0111ang tr\u1edf th\u00e0nh y\u1ebfu t\u1ed1 c\u1ed1t l\u00f5i m\u00e0 nh\u1eefng ng\u01b0\u1eddi ra quy\u1ebft \u0111\u1ecbnh c\u00e2n nh\u1eafc.<\/p>","protected":false},"excerpt":{"rendered":"
Trong c\u00e1c d\u1ef1 \u00e1n k\u1ef9 thu\u1eadt \u0111\u00f4 th\u1ecb v\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng to\u00e0n c\u1ea7u, vi\u1ec7c l\u1ef1a ch\u1ecdn ti\u00eau chu\u1ea9n cho n\u1eafp c\u1ed1ng tho\u00e1t n\u01b0\u1edbc l\u00e0 n\u1ec1n t\u1ea3ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n, kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u00e0 \u0111\u1ed9 b\u1ec1n l\u00e2u d\u00e0i. Hai h\u1ec7 th\u1ed1ng\u2014ti\u00eau chu\u1ea9n c\u1ee7a Hi\u1ec7p h\u1ed9i V\u1eadt li\u1ec7u v\u00e0 Th\u1eed nghi\u1ec7m Hoa K\u1ef3 (ASTM) v\u00e0 ti\u00eau chu\u1ea9n Ch\u00e2u \u00c2u (EN)\u2014\u0111\u1ea1i di\u1ec7n cho c\u00e1c chu\u1ea9n m\u1ef1c k\u1ef9 thu\u1eadt qu\u1ed1c t\u1ebf \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn v\u00e0 \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t. Kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 [\u2026]<\/p>","protected":false},"author":2,"featured_media":1277,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[85,114,63],"class_list":["post-1601","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-composite-manhole-cover","tag-luzhongbao","tag-manhole-cover"],"yoast_head":"\n
Complete Guide to ASTM\/EN Standards for Drainage and Sewer Manhole Covers News - LZBMetal Products Co., Ltd<\/title>\n<meta name=\"description\" content=\"Mastering ASTM\/EN standards is an essential skill for the professional procurement of drainage and sewer covers. However, true wisdom lies in recognizing that standards are the starting point for excellence, not the finish line. The successful practice of LuZhongBao demonstrates that by treating standards as a baseline and making sustained investments in materials science, structural engineering, and smart manufacturing, products can be created that deliver significant added value in safety, durability, and lifecycle economy. Choosing such a partner means your project receives not just a "compliant" cover, but a technical asset\u2014an optimistically designed, performance-verifiable component capable of providing decades of reliable protection for underground networks. 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However, true wisdom lies in recognizing that standards are the starting point for excellence, not the finish line. The successful practice of LuZhongBao demonstrates that by treating standards as a baseline and making sustained investments in materials science, structural engineering, and smart manufacturing, products can be created that deliver significant added value in safety, durability, and lifecycle economy. Choosing such a partner means your project receives not just a "compliant" cover, but a technical asset\u2014an optimistically designed, performance-verifiable component capable of providing decades of reliable protection for underground networks. 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Tuy nhi\u00ean, s\u1ef1 kh\u00f4n ngoan th\u1ef1c s\u1ef1 n\u1eb1m \u1edf ch\u1ed7 nh\u1eadn ra r\u1eb1ng ti\u00eau chu\u1ea9n ch\u1ec9 l\u00e0 \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u cho s\u1ef1 xu\u1ea5t s\u1eafc, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 \u0111\u00edch \u0111\u1ebfn. Th\u1ef1c ti\u1ec5n th\u00e0nh c\u00f4ng c\u1ee7a LuZhongBao ch\u1ee9ng minh r\u1eb1ng b\u1eb1ng c\u00e1ch coi c\u00e1c ti\u00eau chu\u1ea9n l\u00e0 n\u1ec1n t\u1ea3ng v\u00e0 \u0111\u1ea7u t\u01b0 b\u1ec1n v\u1eefng v\u00e0o khoa h\u1ecdc v\u1eadt li\u1ec7u, k\u1ef9 thu\u1eadt k\u1ebft c\u1ea5u v\u00e0 s\u1ea3n xu\u1ea5t th\u00f4ng minh, c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c s\u1ea3n ph\u1ea9m mang l\u1ea1i gi\u00e1 tr\u1ecb gia t\u0103ng \u0111\u00e1ng k\u1ec3 v\u1ec1 an to\u00e0n, \u0111\u1ed9 b\u1ec1n v\u00e0 hi\u1ec7u qu\u1ea3 kinh t\u1ebf v\u00f2ng \u0111\u1eddi. L\u1ef1a ch\u1ecdn m\u1ed9t \u0111\u1ed1i t\u00e1c nh\u01b0 v\u1eady c\u00f3 ngh\u0129a l\u00e0 d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n kh\u00f4ng ch\u1ec9 nh\u1eadn \u0111\u01b0\u1ee3c m\u1ed9t n\u1eafp c\u1ed1ng "tu\u00e2n th\u1ee7" m\u00e0 c\u00f2n l\u00e0 m\u1ed9t t\u00e0i s\u1ea3n k\u1ef9 thu\u1eadt - m\u1ed9t b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf l\u1ea1c quan, c\u00f3 th\u1ec3 ki\u1ec3m ch\u1ee9ng hi\u1ec7u su\u1ea5t, c\u00f3 kh\u1ea3 n\u0103ng cung c\u1ea5p s\u1ef1 b\u1ea3o v\u1ec7 \u0111\u00e1ng tin c\u1eady trong nhi\u1ec1u th\u1eadp k\u1ef7 cho c\u00e1c m\u1ea1ng l\u01b0\u1edbi ng\u1ea7m. Trong th\u1eddi \u0111\u1ea1i m\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng to\u00e0n c\u1ea7u theo \u0111u\u1ed5i s\u1ef1 an to\u00e0n, th\u00f4ng minh v\u00e0 b\u1ec1n v\u1eefng h\u01a1n, kh\u1ea3 n\u0103ng "xu\u1ea5t s\u1eafc trong k\u1ef9 thu\u1eadt" v\u01b0\u1ee3t ra ngo\u00e0i c\u00e1c ti\u00eau chu\u1ea9n \u0111ang tr\u1edf th\u00e0nh y\u1ebfu t\u1ed1 c\u1ed1t l\u00f5i m\u00e0 nh\u1eefng ng\u01b0\u1eddi ra quy\u1ebft \u0111\u1ecbnh c\u00e2n nh\u1eafc.","breadcrumb":{"@id":"https:\/\/lzbmetal.com\/complete-guide-to-astm-en-standards-for-drainage-and-sewer-manhole-covers\/#breadcrumb"},"inLanguage":"vi","potentialAction":[{"@type":"ReadAction","target":["https:\/\/lzbmetal.com\/complete-guide-to-astm-en-standards-for-drainage-and-sewer-manhole-covers\/"]}]},{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/lzbmetal.com\/complete-guide-to-astm-en-standards-for-drainage-and-sewer-manhole-covers\/#primaryimage","url":"https:\/\/lzbmetal.com\/wp-content\/uploads\/2025\/10\/700x770x70-\u590d\u5408\u5706\u4e951.jpg","contentUrl":"https:\/\/lzbmetal.com\/wp-content\/uploads\/2025\/10\/700x770x70-\u590d\u5408\u5706\u4e951.jpg","width":400,"height":400},{"@type":"BreadcrumbList","@id":"https:\/\/lzbmetal.com\/complete-guide-to-astm-en-standards-for-drainage-and-sewer-manhole-covers\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/lzbmetal.com\/"},{"@type":"ListItem","position":2,"name":"Complete Guide to ASTM\/EN Standards for Drainage and Sewer Manhole Covers"}]},{"@type":"WebSite","@id":"https:\/\/lzbmetal.com\/#website","url":"https:\/\/lzbmetal.com\/","name":"C\u00f4ng ty TNHH S\u1ea3n ph\u1ea9m Kim lo\u1ea1i H\u1ed3 B\u1eafc LZB","description":"Thi\u1ebft k\u1ebf c\u1ee7a b\u1ea1n, nh\u00e0 m\u00e1y c\u1ee7a ch\u00fang t\u00f4i. S\u1ea3n xu\u1ea5t n\u1eafp c\u1ed1ng theo y\u00eau c\u1ea7u d\u1ec5 d\u00e0ng.","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/lzbmetal.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"vi"},{"@type":"Person","@id":"https:\/\/lzbmetal.com\/#\/schema\/person\/03225aba1019488054ecea53728c5cf0","name":"luzhongbao","image":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/secure.gravatar.com\/avatar\/1ac515e20f844126be310a41cfa092daaf1e2b3b291d9328ac9dba05b400b569?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/1ac515e20f844126be310a41cfa092daaf1e2b3b291d9328ac9dba05b400b569?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/1ac515e20f844126be310a41cfa092daaf1e2b3b291d9328ac9dba05b400b569?s=96&d=mm&r=g","caption":"luzhongbao"},"sameAs":["https:\/\/x.com\/Levi_Luzhongbao"],"url":"https:\/\/lzbmetal.com\/vi\/author\/luzhongbao\/"}]}},"_links":{"self":[{"href":"https:\/\/lzbmetal.com\/vi\/wp-json\/wp\/v2\/posts\/1601","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lzbmetal.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lzbmetal.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lzbmetal.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/lzbmetal.com\/vi\/wp-json\/wp\/v2\/comments?post=1601"}],"version-history":[{"count":1,"href":"https:\/\/lzbmetal.com\/vi\/wp-json\/wp\/v2\/posts\/1601\/revisions"}],"predecessor-version":[{"id":1602,"href":"https:\/\/lzbmetal.com\/vi\/wp-json\/wp\/v2\/posts\/1601\/revisions\/1602"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lzbmetal.com\/vi\/wp-json\/wp\/v2\/media\/1277"}],"wp:attachment":[{"href":"https:\/\/lzbmetal.com\/vi\/wp-json\/wp\/v2\/media?parent=1601"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lzbmetal.com\/vi\/wp-json\/wp\/v2\/categories?post=1601"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lzbmetal.com\/vi\/wp-json\/wp\/v2\/tags?post=1601"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
4. Ti\u00eau chu\u1ea9n v\u1ec1 \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 s\u1ef1 ph\u00f9 h\u1ee3p trong s\u1ea3n xu\u1ea5t<\/h3>\n\n\n\n
Vi\u1ec7c l\u1eafp r\u00e1p khung v\u1ecf ch\u00ednh x\u00e1c l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 truy\u1ec1n t\u1ea3i t\u1ea3i tr\u1ecdng hi\u1ec7u qu\u1ea3 v\u00e0 v\u1eadn h\u00e0nh \u00eam \u00e1i, \u1ed5n \u0111\u1ecbnh. LuZhongBao s\u1eed d\u1ee5ng gia c\u00f4ng t\u00edch h\u1ee3p CNC trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng \u0111\u1ed5i, \u0111\u1ea3m b\u1ea3o khe h\u1edf c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t to\u00e0n di\u1ec7n \u2013 \u0111\u1ed9 ch\u00ednh x\u00e1c v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m ch\u1ec9 \u0111\u01b0\u1ee3c l\u1eafp r\u00e1p sau khi \u0111\u00fac. V\u0103n h\u00f3a s\u1ea3n xu\u1ea5t ch\u00ednh x\u00e1c n\u00e0y cho ph\u00e9p s\u1ea3n ph\u1ea9m \u0111\u00e1p \u1ee9ng ho\u00e0n h\u1ea3o c\u00e1c y\u00eau c\u1ea7u nghi\u00eam ng\u1eb7t c\u1ee7a ti\u00eau chu\u1ea9n EN 124 v\u1ec1 "bi\u1ebfn d\u1ea1ng d\u01b0" v\u00e0 "ki\u1ec3m tra ch\u1ee9c n\u0103ng".<\/p>\n\n\n
<\/figure>\n<\/div>\n\n\nC\u00e1ch \u00e1p d\u1ee5ng c\u00e1c ti\u00eau chu\u1ea9n tuy\u1ec3n ch\u1ecdn v\u00e0 mua s\u1eafm khoa h\u1ecdc<\/h3>\n\n\n\n\n- 1. X\u00e1c \u0111\u1ecbnh k\u1ecbch b\u1ea3n \u1ee9ng d\u1ee5ng v\u00e0 t\u1ea3i tr\u1ecdng t\u1ed1i \u0111a: Tr\u01b0\u1edbc ti\u00ean, h\u00e3y x\u00e1c \u0111\u1ecbnh c\u1ea5p t\u1ea3i tr\u1ecdng t\u1ed1i thi\u1ec3u d\u1ef1a tr\u00ean c\u00e1c quy \u0111\u1ecbnh b\u1eaft bu\u1ed9c c\u1ee7a \u0111\u1ecba \u0111i\u1ec3m d\u1ef1 \u00e1n (c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng ti\u00eau chu\u1ea9n EN, ASTM ho\u1eb7c ti\u00eau chu\u1ea9n \u0111\u1ecba ph\u01b0\u01a1ng) v\u00e0 kh\u1ea3 n\u0103ng l\u01b0u th\u00f4ng c\u1ee7a c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n n\u1eb7ng nh\u1ea5t trong t\u01b0\u01a1ng lai. N\u00ean t\u00edch h\u1ee3p \u00edt nh\u1ea5t m\u1ed9t bi\u00ean \u0111\u1ed9 an to\u00e0n 20%.<\/li>\n\n\n\n
- 2. Gi\u1ea3i m\u00e3 \u00fd ngh\u0129a \u0111\u1eb1ng sau c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt: Y\u00eau c\u1ea7u nh\u00e0 cung c\u1ea5p cung c\u1ea5p ch\u1ee9ng ch\u1ec9 ki\u1ec3m \u0111\u1ecbnh lo\u1ea1i ch\u00ednh th\u1ee9c c\u1ee7a b\u00ean th\u1ee9 ba (v\u00ed d\u1ee5: b\u00e1o c\u00e1o ki\u1ec3m \u0111\u1ecbnh EN 124) v\u00e0 x\u00e1c minh c\u1ea9n th\u1eadn ch\u1ee9ng nh\u1eadn c\u1ee7a c\u01a1 quan ki\u1ec3m \u0111\u1ecbnh c\u0169ng nh\u01b0 s\u1ef1 nh\u1ea5t qu\u00e1n gi\u1eefa m\u1eabu s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c ki\u1ec3m \u0111\u1ecbnh v\u00e0 m\u1eabu s\u1ea3n ph\u1ea9m \u0111ang \u0111\u01b0\u1ee3c mua. \u0110\u1ed1i v\u1edbi v\u1eadt li\u1ec7u ASTM, y\u00eau c\u1ea7u B\u00e1o c\u00e1o Ki\u1ec3m \u0111\u1ecbnh V\u1eadt li\u1ec7u (MTR) cho m\u1ed7i l\u00f4 h\u00e0ng.<\/li>\n\n\n\n
- 3. \u0110\u1eb7t c\u00e2u h\u1ecfi v\u01b0\u1ee3t ra ngo\u00e0i ti\u00eau chu\u1ea9n, t\u1eadp trung v\u00e0o gi\u00e1 tr\u1ecb l\u00e2u d\u00e0i: Trong qu\u00e1 tr\u00ecnh t\u00ecm hi\u1ec3u th\u00f4ng tin, h\u00e3y h\u1ecfi nh\u00e0 cung c\u1ea5p: "S\u1ea3n ph\u1ea9m c\u1ee7a qu\u00fd v\u1ecb v\u01b0\u1ee3t tr\u1ed9i h\u01a1n ti\u00eau chu\u1ea9n \u0111\u00e3 c\u00f4ng b\u1ed1 \u1edf nh\u1eefng kh\u00eda c\u1ea1nh c\u1ee5 th\u1ec3 n\u00e0o? \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c ch\u1ee9ng minh nh\u01b0 th\u1ebf n\u00e0o?", "Qu\u00fd v\u1ecb c\u00f3 th\u1ec3 cung c\u1ea5p d\u1eef li\u1ec7u n\u1ed9i b\u1ed9 t\u1eeb c\u00e1c th\u1eed nghi\u1ec7m m\u1ecfi t\u0103ng t\u1ed1c ho\u1eb7c qu\u00e1 t\u1ea3i kh\u00f4ng?", "Qu\u00fd v\u1ecb c\u00f3 cung c\u1ea5p gi\u1ea3i ph\u00e1p b\u1ea3o v\u1ec7 b\u1ed5 sung n\u00e0o cho m\u00f4i tr\u01b0\u1eddng \u0111\u1eb7c th\u00f9 c\u1ee7a d\u1ef1 \u00e1n n\u00e0y (v\u00ed d\u1ee5: h\u00e0m l\u01b0\u1ee3ng clorua cao, chu k\u1ef3 \u0111\u00f3ng b\u0103ng-tan ch\u1ea3y)?"<\/li>\n\n\n\n
- 4. Ch\u1ecdn nh\u00e0 cung c\u1ea5p c\u00f3 kh\u1ea3 n\u0103ng tu\u00e2n th\u1ee7 nhi\u1ec1u h\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n: \u0110\u1ed1i v\u1edbi c\u00e1c d\u1ef1 \u00e1n qu\u1ed1c t\u1ebf, vi\u1ec7c l\u1ef1a ch\u1ecdn nh\u00e0 cung c\u1ea5p nh\u01b0 LuZhongBao\u2014m\u1ed9t nh\u00e0 cung c\u1ea5p th\u00e0nh th\u1ea1o c\u1ea3 ti\u00eau chu\u1ea9n ASTM v\u00e0 EN, \u0111\u1ed3ng th\u1eddi c\u00f3 th\u1ec3 cung c\u1ea5p chu\u1ed7i b\u1eb1ng ch\u1ee9ng tu\u00e2n th\u1ee7 ho\u00e0n ch\u1ec9nh c\u00f9ng v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p t\u00f9y ch\u1ec9nh\u2014l\u00e0 c\u00e1ch hi\u1ec7u qu\u1ea3 nh\u1ea5t \u0111\u1ec3 gi\u1ea3m thi\u1ec3u r\u1ee7i ro k\u1ef9 thu\u1eadt c\u1ee7a d\u1ef1 \u00e1n.<\/li>\n<\/ul>\n\n\n\n
K\u1ebft lu\u1eadn: T\u1eeb tu\u00e2n th\u1ee7 \u0111\u1ebfn xu\u1ea5t s\u1eafc<\/h3>\n\n\n\n
N\u1eafm v\u1eefng c\u00e1c ti\u00eau chu\u1ea9n ASTM\/EN l\u00e0 k\u1ef9 n\u0103ng thi\u1ebft y\u1ebfu cho vi\u1ec7c mua s\u1eafm chuy\u00ean nghi\u1ec7p c\u00e1c lo\u1ea1i n\u1eafp c\u1ed1ng v\u00e0 h\u1ec7 th\u1ed1ng tho\u00e1t n\u01b0\u1edbc. Tuy nhi\u00ean, s\u1ef1 kh\u00f4n ngoan th\u1ef1c s\u1ef1 n\u1eb1m \u1edf ch\u1ed7 nh\u1eadn ra r\u1eb1ng ti\u00eau chu\u1ea9n ch\u1ec9 l\u00e0 \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u cho s\u1ef1 xu\u1ea5t s\u1eafc, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 \u0111\u00edch \u0111\u1ebfn. Th\u1ef1c ti\u1ec5n th\u00e0nh c\u00f4ng c\u1ee7a LuZhongBao ch\u1ee9ng minh r\u1eb1ng b\u1eb1ng c\u00e1ch coi c\u00e1c ti\u00eau chu\u1ea9n l\u00e0 n\u1ec1n t\u1ea3ng v\u00e0 \u0111\u1ea7u t\u01b0 b\u1ec1n v\u1eefng v\u00e0o khoa h\u1ecdc v\u1eadt li\u1ec7u, k\u1ef9 thu\u1eadt k\u1ebft c\u1ea5u v\u00e0 s\u1ea3n xu\u1ea5t th\u00f4ng minh, c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c s\u1ea3n ph\u1ea9m mang l\u1ea1i gi\u00e1 tr\u1ecb gia t\u0103ng \u0111\u00e1ng k\u1ec3 v\u1ec1 an to\u00e0n, \u0111\u1ed9 b\u1ec1n v\u00e0 hi\u1ec7u qu\u1ea3 kinh t\u1ebf v\u00f2ng \u0111\u1eddi. L\u1ef1a ch\u1ecdn m\u1ed9t \u0111\u1ed1i t\u00e1c nh\u01b0 v\u1eady c\u00f3 ngh\u0129a l\u00e0 d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n kh\u00f4ng ch\u1ec9 nh\u1eadn \u0111\u01b0\u1ee3c m\u1ed9t n\u1eafp c\u1ed1ng "tu\u00e2n th\u1ee7" m\u00e0 c\u00f2n l\u00e0 m\u1ed9t t\u00e0i s\u1ea3n k\u1ef9 thu\u1eadt - m\u1ed9t b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf l\u1ea1c quan, c\u00f3 th\u1ec3 ki\u1ec3m ch\u1ee9ng hi\u1ec7u su\u1ea5t, c\u00f3 kh\u1ea3 n\u0103ng cung c\u1ea5p s\u1ef1 b\u1ea3o v\u1ec7 \u0111\u00e1ng tin c\u1eady trong nhi\u1ec1u th\u1eadp k\u1ef7 cho c\u00e1c m\u1ea1ng l\u01b0\u1edbi ng\u1ea7m. Trong th\u1eddi \u0111\u1ea1i m\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng to\u00e0n c\u1ea7u theo \u0111u\u1ed5i s\u1ef1 an to\u00e0n, th\u00f4ng minh v\u00e0 b\u1ec1n v\u1eefng h\u01a1n, kh\u1ea3 n\u0103ng "xu\u1ea5t s\u1eafc trong k\u1ef9 thu\u1eadt" v\u01b0\u1ee3t ra ngo\u00e0i c\u00e1c ti\u00eau chu\u1ea9n \u0111ang tr\u1edf th\u00e0nh y\u1ebfu t\u1ed1 c\u1ed1t l\u00f5i m\u00e0 nh\u1eefng ng\u01b0\u1eddi ra quy\u1ebft \u0111\u1ecbnh c\u00e2n nh\u1eafc.<\/p>","protected":false},"excerpt":{"rendered":"
Trong c\u00e1c d\u1ef1 \u00e1n k\u1ef9 thu\u1eadt \u0111\u00f4 th\u1ecb v\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng to\u00e0n c\u1ea7u, vi\u1ec7c l\u1ef1a ch\u1ecdn ti\u00eau chu\u1ea9n cho n\u1eafp c\u1ed1ng tho\u00e1t n\u01b0\u1edbc l\u00e0 n\u1ec1n t\u1ea3ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n, kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u00e0 \u0111\u1ed9 b\u1ec1n l\u00e2u d\u00e0i. Hai h\u1ec7 th\u1ed1ng\u2014ti\u00eau chu\u1ea9n c\u1ee7a Hi\u1ec7p h\u1ed9i V\u1eadt li\u1ec7u v\u00e0 Th\u1eed nghi\u1ec7m Hoa K\u1ef3 (ASTM) v\u00e0 ti\u00eau chu\u1ea9n Ch\u00e2u \u00c2u (EN)\u2014\u0111\u1ea1i di\u1ec7n cho c\u00e1c chu\u1ea9n m\u1ef1c k\u1ef9 thu\u1eadt qu\u1ed1c t\u1ebf \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn v\u00e0 \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t. Kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 [\u2026]<\/p>","protected":false},"author":2,"featured_media":1277,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[85,114,63],"class_list":["post-1601","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-composite-manhole-cover","tag-luzhongbao","tag-manhole-cover"],"yoast_head":"\n
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Tuy nhi\u00ean, s\u1ef1 kh\u00f4n ngoan th\u1ef1c s\u1ef1 n\u1eb1m \u1edf ch\u1ed7 nh\u1eadn ra r\u1eb1ng ti\u00eau chu\u1ea9n ch\u1ec9 l\u00e0 \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u cho s\u1ef1 xu\u1ea5t s\u1eafc, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 \u0111\u00edch \u0111\u1ebfn. Th\u1ef1c ti\u1ec5n th\u00e0nh c\u00f4ng c\u1ee7a LuZhongBao ch\u1ee9ng minh r\u1eb1ng b\u1eb1ng c\u00e1ch coi c\u00e1c ti\u00eau chu\u1ea9n l\u00e0 n\u1ec1n t\u1ea3ng v\u00e0 \u0111\u1ea7u t\u01b0 b\u1ec1n v\u1eefng v\u00e0o khoa h\u1ecdc v\u1eadt li\u1ec7u, k\u1ef9 thu\u1eadt k\u1ebft c\u1ea5u v\u00e0 s\u1ea3n xu\u1ea5t th\u00f4ng minh, c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c s\u1ea3n ph\u1ea9m mang l\u1ea1i gi\u00e1 tr\u1ecb gia t\u0103ng \u0111\u00e1ng k\u1ec3 v\u1ec1 an to\u00e0n, \u0111\u1ed9 b\u1ec1n v\u00e0 hi\u1ec7u qu\u1ea3 kinh t\u1ebf v\u00f2ng \u0111\u1eddi. 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Trong th\u1eddi \u0111\u1ea1i m\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng to\u00e0n c\u1ea7u theo \u0111u\u1ed5i s\u1ef1 an to\u00e0n, th\u00f4ng minh v\u00e0 b\u1ec1n v\u1eefng h\u01a1n, kh\u1ea3 n\u0103ng "xu\u1ea5t s\u1eafc trong k\u1ef9 thu\u1eadt" v\u01b0\u1ee3t ra ngo\u00e0i c\u00e1c ti\u00eau chu\u1ea9n \u0111ang tr\u1edf th\u00e0nh y\u1ebfu t\u1ed1 c\u1ed1t l\u00f5i m\u00e0 nh\u1eefng ng\u01b0\u1eddi ra quy\u1ebft \u0111\u1ecbnh c\u00e2n nh\u1eafc.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/lzbmetal.com\/vi\/huong-dan-day-du-ve-tieu-chuan-astm-en-cho-nap-cong-va-ho-ga-thoat-nuoc\/","og_locale":"vi_VN","og_type":"article","og_title":"Complete Guide to ASTM\/EN Standards for Drainage and Sewer Manhole Covers News - LZBMetal Products Co., Ltd","og_description":"Mastering ASTM\/EN standards is an essential skill for the professional procurement of drainage and sewer covers. However, true wisdom lies in recognizing that standards are the starting point for excellence, not the finish line. The successful practice of LuZhongBao demonstrates that by treating standards as a baseline and making sustained investments in materials science, structural engineering, and smart manufacturing, products can be created that deliver significant added value in safety, durability, and lifecycle economy. Choosing such a partner means your project receives not just a \"compliant\" cover, but a technical asset\u2014an optimistically designed, performance-verifiable component capable of providing decades of reliable protection for underground networks. In an era where global infrastructure pursues greater safety, intelligence, and sustainability, this \"excellence in engineering\" capability that transcends standards is becoming the core consideration for decision-makers.","og_url":"https:\/\/lzbmetal.com\/vi\/huong-dan-day-du-ve-tieu-chuan-astm-en-cho-nap-cong-va-ho-ga-thoat-nuoc\/","og_site_name":"LZBMetal Products Co., Ltd","article_published_time":"2026-01-21T10:02:00+00:00","og_image":[{"width":400,"height":400,"url":"https:\/\/lzbmetal.com\/wp-content\/uploads\/2025\/10\/700x770x70-\u590d\u5408\u5706\u4e951.jpg","type":"image\/jpeg"}],"author":"luzhongbao","twitter_card":"summary_large_image","twitter_creator":"@Levi_Luzhongbao","twitter_misc":{"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi":"luzhongbao","\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc":"7 ph\u00fat"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/lzbmetal.com\/complete-guide-to-astm-en-standards-for-drainage-and-sewer-manhole-covers\/#article","isPartOf":{"@id":"https:\/\/lzbmetal.com\/complete-guide-to-astm-en-standards-for-drainage-and-sewer-manhole-covers\/"},"author":{"name":"luzhongbao","@id":"https:\/\/lzbmetal.com\/#\/schema\/person\/03225aba1019488054ecea53728c5cf0"},"headline":"Complete Guide to ASTM\/EN Standards for Drainage and Sewer Manhole Covers","datePublished":"2026-01-21T10:02:00+00:00","mainEntityOfPage":{"@id":"https:\/\/lzbmetal.com\/complete-guide-to-astm-en-standards-for-drainage-and-sewer-manhole-covers\/"},"wordCount":1247,"commentCount":0,"image":{"@id":"https:\/\/lzbmetal.com\/complete-guide-to-astm-en-standards-for-drainage-and-sewer-manhole-covers\/#primaryimage"},"thumbnailUrl":"https:\/\/lzbmetal.com\/wp-content\/uploads\/2025\/10\/700x770x70-\u590d\u5408\u5706\u4e951.jpg","keywords":["Composite Manhole Cover","Luzhongbao","Manhole Cover"],"articleSection":["News"],"inLanguage":"vi","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/lzbmetal.com\/complete-guide-to-astm-en-standards-for-drainage-and-sewer-manhole-covers\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/lzbmetal.com\/complete-guide-to-astm-en-standards-for-drainage-and-sewer-manhole-covers\/","url":"https:\/\/lzbmetal.com\/complete-guide-to-astm-en-standards-for-drainage-and-sewer-manhole-covers\/","name":"H\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 ti\u00eau chu\u1ea9n ASTM\/EN cho n\u1eafp c\u1ed1ng v\u00e0 \u0111\u01b0\u1eddng \u1ed1ng tho\u00e1t n\u01b0\u1edbc - Tin t\u1ee9c t\u1eeb C\u00f4ng ty TNHH S\u1ea3n ph\u1ea9m Kim lo\u1ea1i LZB","isPartOf":{"@id":"https:\/\/lzbmetal.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/lzbmetal.com\/complete-guide-to-astm-en-standards-for-drainage-and-sewer-manhole-covers\/#primaryimage"},"image":{"@id":"https:\/\/lzbmetal.com\/complete-guide-to-astm-en-standards-for-drainage-and-sewer-manhole-covers\/#primaryimage"},"thumbnailUrl":"https:\/\/lzbmetal.com\/wp-content\/uploads\/2025\/10\/700x770x70-\u590d\u5408\u5706\u4e951.jpg","datePublished":"2026-01-21T10:02:00+00:00","author":{"@id":"https:\/\/lzbmetal.com\/#\/schema\/person\/03225aba1019488054ecea53728c5cf0"},"description":"N\u1eafm v\u1eefng c\u00e1c ti\u00eau chu\u1ea9n ASTM\/EN l\u00e0 k\u1ef9 n\u0103ng thi\u1ebft y\u1ebfu cho vi\u1ec7c mua s\u1eafm chuy\u00ean nghi\u1ec7p c\u00e1c lo\u1ea1i n\u1eafp c\u1ed1ng v\u00e0 h\u1ec7 th\u1ed1ng tho\u00e1t n\u01b0\u1edbc. Tuy nhi\u00ean, s\u1ef1 kh\u00f4n ngoan th\u1ef1c s\u1ef1 n\u1eb1m \u1edf ch\u1ed7 nh\u1eadn ra r\u1eb1ng ti\u00eau chu\u1ea9n ch\u1ec9 l\u00e0 \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u cho s\u1ef1 xu\u1ea5t s\u1eafc, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 \u0111\u00edch \u0111\u1ebfn. Th\u1ef1c ti\u1ec5n th\u00e0nh c\u00f4ng c\u1ee7a LuZhongBao ch\u1ee9ng minh r\u1eb1ng b\u1eb1ng c\u00e1ch coi c\u00e1c ti\u00eau chu\u1ea9n l\u00e0 n\u1ec1n t\u1ea3ng v\u00e0 \u0111\u1ea7u t\u01b0 b\u1ec1n v\u1eefng v\u00e0o khoa h\u1ecdc v\u1eadt li\u1ec7u, k\u1ef9 thu\u1eadt k\u1ebft c\u1ea5u v\u00e0 s\u1ea3n xu\u1ea5t th\u00f4ng minh, c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c s\u1ea3n ph\u1ea9m mang l\u1ea1i gi\u00e1 tr\u1ecb gia t\u0103ng \u0111\u00e1ng k\u1ec3 v\u1ec1 an to\u00e0n, \u0111\u1ed9 b\u1ec1n v\u00e0 hi\u1ec7u qu\u1ea3 kinh t\u1ebf v\u00f2ng \u0111\u1eddi. L\u1ef1a ch\u1ecdn m\u1ed9t \u0111\u1ed1i t\u00e1c nh\u01b0 v\u1eady c\u00f3 ngh\u0129a l\u00e0 d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n kh\u00f4ng ch\u1ec9 nh\u1eadn \u0111\u01b0\u1ee3c m\u1ed9t n\u1eafp c\u1ed1ng "tu\u00e2n th\u1ee7" m\u00e0 c\u00f2n l\u00e0 m\u1ed9t t\u00e0i s\u1ea3n k\u1ef9 thu\u1eadt - m\u1ed9t b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf l\u1ea1c quan, c\u00f3 th\u1ec3 ki\u1ec3m ch\u1ee9ng hi\u1ec7u su\u1ea5t, c\u00f3 kh\u1ea3 n\u0103ng cung c\u1ea5p s\u1ef1 b\u1ea3o v\u1ec7 \u0111\u00e1ng tin c\u1eady trong nhi\u1ec1u th\u1eadp k\u1ef7 cho c\u00e1c m\u1ea1ng l\u01b0\u1edbi ng\u1ea7m. 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K\u1ebft lu\u1eadn: T\u1eeb tu\u00e2n th\u1ee7 \u0111\u1ebfn xu\u1ea5t s\u1eafc<\/h3>\n\n\n\n
N\u1eafm v\u1eefng c\u00e1c ti\u00eau chu\u1ea9n ASTM\/EN l\u00e0 k\u1ef9 n\u0103ng thi\u1ebft y\u1ebfu cho vi\u1ec7c mua s\u1eafm chuy\u00ean nghi\u1ec7p c\u00e1c lo\u1ea1i n\u1eafp c\u1ed1ng v\u00e0 h\u1ec7 th\u1ed1ng tho\u00e1t n\u01b0\u1edbc. Tuy nhi\u00ean, s\u1ef1 kh\u00f4n ngoan th\u1ef1c s\u1ef1 n\u1eb1m \u1edf ch\u1ed7 nh\u1eadn ra r\u1eb1ng ti\u00eau chu\u1ea9n ch\u1ec9 l\u00e0 \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u cho s\u1ef1 xu\u1ea5t s\u1eafc, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 \u0111\u00edch \u0111\u1ebfn. Th\u1ef1c ti\u1ec5n th\u00e0nh c\u00f4ng c\u1ee7a LuZhongBao ch\u1ee9ng minh r\u1eb1ng b\u1eb1ng c\u00e1ch coi c\u00e1c ti\u00eau chu\u1ea9n l\u00e0 n\u1ec1n t\u1ea3ng v\u00e0 \u0111\u1ea7u t\u01b0 b\u1ec1n v\u1eefng v\u00e0o khoa h\u1ecdc v\u1eadt li\u1ec7u, k\u1ef9 thu\u1eadt k\u1ebft c\u1ea5u v\u00e0 s\u1ea3n xu\u1ea5t th\u00f4ng minh, c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c s\u1ea3n ph\u1ea9m mang l\u1ea1i gi\u00e1 tr\u1ecb gia t\u0103ng \u0111\u00e1ng k\u1ec3 v\u1ec1 an to\u00e0n, \u0111\u1ed9 b\u1ec1n v\u00e0 hi\u1ec7u qu\u1ea3 kinh t\u1ebf v\u00f2ng \u0111\u1eddi. L\u1ef1a ch\u1ecdn m\u1ed9t \u0111\u1ed1i t\u00e1c nh\u01b0 v\u1eady c\u00f3 ngh\u0129a l\u00e0 d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n kh\u00f4ng ch\u1ec9 nh\u1eadn \u0111\u01b0\u1ee3c m\u1ed9t n\u1eafp c\u1ed1ng "tu\u00e2n th\u1ee7" m\u00e0 c\u00f2n l\u00e0 m\u1ed9t t\u00e0i s\u1ea3n k\u1ef9 thu\u1eadt - m\u1ed9t b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf l\u1ea1c quan, c\u00f3 th\u1ec3 ki\u1ec3m ch\u1ee9ng hi\u1ec7u su\u1ea5t, c\u00f3 kh\u1ea3 n\u0103ng cung c\u1ea5p s\u1ef1 b\u1ea3o v\u1ec7 \u0111\u00e1ng tin c\u1eady trong nhi\u1ec1u th\u1eadp k\u1ef7 cho c\u00e1c m\u1ea1ng l\u01b0\u1edbi ng\u1ea7m. Trong th\u1eddi \u0111\u1ea1i m\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng to\u00e0n c\u1ea7u theo \u0111u\u1ed5i s\u1ef1 an to\u00e0n, th\u00f4ng minh v\u00e0 b\u1ec1n v\u1eefng h\u01a1n, kh\u1ea3 n\u0103ng "xu\u1ea5t s\u1eafc trong k\u1ef9 thu\u1eadt" v\u01b0\u1ee3t ra ngo\u00e0i c\u00e1c ti\u00eau chu\u1ea9n \u0111ang tr\u1edf th\u00e0nh y\u1ebfu t\u1ed1 c\u1ed1t l\u00f5i m\u00e0 nh\u1eefng ng\u01b0\u1eddi ra quy\u1ebft \u0111\u1ecbnh c\u00e2n nh\u1eafc.<\/p>","protected":false},"excerpt":{"rendered":"
Trong c\u00e1c d\u1ef1 \u00e1n k\u1ef9 thu\u1eadt \u0111\u00f4 th\u1ecb v\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng to\u00e0n c\u1ea7u, vi\u1ec7c l\u1ef1a ch\u1ecdn ti\u00eau chu\u1ea9n cho n\u1eafp c\u1ed1ng tho\u00e1t n\u01b0\u1edbc l\u00e0 n\u1ec1n t\u1ea3ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n, kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u00e0 \u0111\u1ed9 b\u1ec1n l\u00e2u d\u00e0i. Hai h\u1ec7 th\u1ed1ng\u2014ti\u00eau chu\u1ea9n c\u1ee7a Hi\u1ec7p h\u1ed9i V\u1eadt li\u1ec7u v\u00e0 Th\u1eed nghi\u1ec7m Hoa K\u1ef3 (ASTM) v\u00e0 ti\u00eau chu\u1ea9n Ch\u00e2u \u00c2u (EN)\u2014\u0111\u1ea1i di\u1ec7n cho c\u00e1c chu\u1ea9n m\u1ef1c k\u1ef9 thu\u1eadt qu\u1ed1c t\u1ebf \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn v\u00e0 \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t. Kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 [\u2026]<\/p>","protected":false},"author":2,"featured_media":1277,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[85,114,63],"class_list":["post-1601","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-composite-manhole-cover","tag-luzhongbao","tag-manhole-cover"],"yoast_head":"\n