{"id":1390,"date":"2025-11-10T10:13:00","date_gmt":"2025-11-10T10:13:00","guid":{"rendered":"https:\/\/lzbmetal.com\/?p=1390"},"modified":"2025-11-10T03:28:05","modified_gmt":"2025-11-10T03:28:05","slug":"tai-sao-moi-nguoi-lai-chon-nap-ho-ga-vuong-thong-thuong-bang-gang-deo-luzhongbao","status":"publish","type":"post","link":"https:\/\/lzbmetal.com\/vi\/tai-sao-moi-nguoi-lai-chon-nap-ho-ga-vuong-thong-thuong-bang-gang-deo-luzhongbao\/","title":{"rendered":"V\u00ec sao m\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u ch\u1ecdn n\u1eafp c\u1ed1ng vu\u00f4ng th\u00f4ng th\u01b0\u1eddng b\u1eb1ng gang d\u1ebbo LZBmetal?"},"content":{"rendered":"

V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n ng\u00e0y c\u00e0ng t\u0103ng c\u1ee7a c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u00f4 th\u1ecb hi\u1ec7n nay, n\u1eafp c\u1ed1ng, v\u1edbi vai tr\u00f2 l\u00e0 m\u1ed9t b\u1ed9 ph\u1eadn quan tr\u1ecdng c\u1ee7a h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng b\u1ed9, \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn an to\u00e0n giao th\u00f4ng v\u00e0 hi\u1ec7u qu\u1ea3 b\u1ea3o tr\u00ec \u0111\u00f4 th\u1ecb. C\u00e1c lo\u1ea1i n\u1eafp c\u1ed1ng truy\u1ec1n th\u1ed1ng th\u01b0\u1eddng g\u1eb7p v\u1ea5n \u0111\u1ec1 trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng nh\u01b0 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i kh\u00f4ng \u0111\u1ee7, g\u00e2y ti\u1ebfng \u1ed3n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng tr\u1ed9m k\u00e9m, trong khi n\u1eafp c\u1ed1ng gang th\u00f4ng th\u01b0\u1eddng c\u00f3 tu\u1ed5i th\u1ecd t\u01b0\u01a1ng \u0111\u1ed1i ng\u1eafn do t\u00ednh ch\u1ea5t v\u1eadt li\u1ec7u kh\u00f4ng \u1ed5n \u0111\u1ecbnh. N\u1eafp c\u1ed1ng vu\u00f4ng th\u00f4ng th\u01b0\u1eddng b\u1eb1ng gang d\u1ebbo lzbmetal, d\u1ef1a tr\u00ean \u01b0u \u0111i\u1ec3m v\u1eadt li\u1ec7u c\u1ee7a gang d\u1ebbo v\u00e0 thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u ch\u00ednh x\u00e1c, \u0111\u00e3 kh\u1eafc ph\u1ee5c th\u00e0nh c\u00f4ng c\u00e1c nh\u01b0\u1ee3c \u0111i\u1ec3m k\u1ef9 thu\u1eadt c\u1ee7a n\u1eafp c\u1ed1ng truy\u1ec1n th\u1ed1ng th\u00f4ng qua ph\u00e2n t\u00edch \u1ee9ng su\u1ea5t khoa h\u1ecdc v\u00e0 quy tr\u00ecnh s\u1ea3n xu\u1ea5t ti\u00ean ti\u1ebfn, v\u00e0 hi\u1ec7n \u0111\u00e3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho c\u00e1c l\u0129nh v\u1ef1c nh\u01b0 k\u1ef9 thu\u1eadt \u0111\u00f4 th\u1ecb v\u00e0 x\u00e2y d\u1ef1ng c\u00f4ng vi\u00ean.<\/p>\n\n\n

\n
\"\"<\/figure>\n<\/div>\n\n\n

S\u1ea3n ph\u1ea9m n\u00e0y tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t ti\u00eau chu\u1ea9n GB\/T 23858-2009 v\u00e0 \u0111\u01b0\u1ee3c \u0111\u00fac ch\u00ednh x\u00e1c b\u1eb1ng gang d\u1ebbo c\u1ea5p QT500-7. Thi\u1ebft k\u1ebf c\u1ea5u tr\u00fac vu\u00f4ng v\u1eafn gi\u00fap s\u1ea3n ph\u1ea9m song song v\u1edbi ranh gi\u1edbi \u0111\u01b0\u1eddng b\u1ed9 nh\u01b0 l\u1ec1 \u0111\u01b0\u1eddng, \u0111\u1ea3m b\u1ea3o t\u00ednh th\u1ea9m m\u1ef9 khi l\u1eafp \u0111\u1eb7t v\u00e0 v\u1ecb tr\u00ed thi c\u00f4ng thu\u1eadn ti\u1ec7n. B\u1ec1 m\u1eb7t n\u1eafp \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf hoa v\u0103n ch\u1ed1ng tr\u01b0\u1ee3t n\u1ed5i, v\u1edbi h\u1ec7 s\u1ed1 ma s\u00e1t v\u01b0\u1ee3t qu\u00e1 80 BPN, v\u00e0 \u0111\u01b0\u1ee3c m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng v\u1edbi \u0111\u1ed9 d\u00e0y l\u1edbp k\u1ebdm 70\u03bcm, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n l\u00e2u d\u00e0i trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt. Thi\u1ebft k\u1ebf c\u1ea5u tr\u00fac \u0111\u1ed9c \u0111\u00e1o cho ph\u00e9p ph\u00e2n b\u1ed5 t\u1ea3i tr\u1ecdng \u0111\u1ec1u, tr\u00e1nh hi\u1ec7u qu\u1ea3 hi\u1ec7n t\u01b0\u1ee3ng t\u1eadp trung \u1ee9ng su\u1ea5t v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 tu\u1ed5i th\u1ecd c\u1ee7a s\u1ea3n ph\u1ea9m.<\/p>\n\n\n\n

\u01afu \u0111i\u1ec3m c\u1ee7a v\u1eadt li\u1ec7u v\u00e0 \u0111\u1ed5i m\u1edbi quy tr\u00ecnh<\/h3>\n\n\n\n

N\u1eafp c\u1ed1ng vu\u00f4ng lzbmetal s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u gang d\u1ebbo QT500-7. C\u1ea5u tr\u00fac vi m\u00f4 graphit h\u00ecnh c\u1ea7u \u0111\u1ed9c \u0111\u00e1o mang l\u1ea1i cho v\u1eadt li\u1ec7u c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc tuy\u1ec7t v\u1eddi. \u0110\u1ed9 b\u1ec1n k\u00e9o v\u01b0\u1ee3t qu\u00e1 500 MPa v\u00e0 \u0111\u1ed9 gi\u00e3n d\u00e0i v\u01b0\u1ee3t qu\u00e1 7%, k\u1ebft h\u1ee3p \u0111\u1ed9 b\u1ec1n cao v\u1edbi \u0111\u1ed9 d\u1ebbo dai t\u1ed1t. \u0110\u1eb7c t\u00ednh v\u1eadt li\u1ec7u n\u00e0y cho ph\u00e9p s\u1ea3n ph\u1ea9m ch\u1ecbu \u0111\u01b0\u1ee3c t\u1ea3i tr\u1ecdng c\u1ea5p D400, \u0111\u00e1p \u1ee9ng \u0111\u1ea7y \u0111\u1ee7 c\u00e1c y\u00eau c\u1ea7u s\u1eed d\u1ee5ng cho \u0111\u01b0\u1eddng \u0111\u00f4 th\u1ecb. Quy tr\u00ecnh \u0111\u00fac s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 \u0111\u00fac khu\u00f4n c\u00e1t nh\u1ef1a ti\u00ean ti\u1ebfn v\u00e0 h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n th\u00f4ng minh, \u0111\u1ea3m b\u1ea3o k\u00edch th\u01b0\u1edbc s\u1ea3n ph\u1ea9m ch\u00ednh x\u00e1c, b\u1ec1 m\u1eb7t nh\u1eb5n m\u1ecbn v\u00e0 c\u1ea5u tr\u00fac b\u00ean trong \u0111\u1eb7c ch\u1eafc, \u0111\u1ed3ng nh\u1ea5t.<\/p>\n\n\n\n

Thi\u1ebft k\u1ebf c\u1ea5u tr\u00fac v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m hi\u1ec7u su\u1ea5t<\/h3>\n\n\n\n

C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a n\u1eafp vu\u00f4ng n\u00e0y \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a th\u00f4ng qua Ph\u00e2n t\u00edch Ph\u1ea7n t\u1eed H\u1eefu h\u1ea1n, \u00e1p d\u1ee5ng b\u1ed1 c\u1ee5c g\u00e2n gia c\u01b0\u1eddng ch\u00e9o nhau \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t h\u1ec7 th\u1ed1ng ch\u1ecbu l\u1ef1c kh\u00f4ng gian \u1ed5n \u0111\u1ecbnh. B\u1ed1n g\u00f3c s\u1eed d\u1ee5ng thi\u1ebft k\u1ebf chuy\u1ec3n ti\u1ebfp bo tr\u00f2n, v\u1edbi c\u00e1c g\u00e2n b\u1ed5 sung \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t b\u00ean trong, c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp. \u0110\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m nghi\u1ec7m b\u1edfi c\u00e1c t\u1ed5 ch\u1ee9c chuy\u00ean nghi\u1ec7p, kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c c\u1ee7a n\u1eafp n\u00e0y \u0111\u1ea1t ti\u00eau chu\u1ea9n D400, v\u1edbi t\u1ea3i tr\u1ecdng th\u1eed nghi\u1ec7m v\u01b0\u1ee3t qu\u00e1 400 kN. Thi\u1ebft k\u1ebf c\u1ea1nh \u0111\u1ed9c \u0111\u00e1o \u0111\u1ea3m b\u1ea3o v\u1eeba kh\u00edt ho\u00e0n h\u1ea3o v\u1edbi khung, ng\u0103n ch\u1eb7n hi\u1ec7u qu\u1ea3 ti\u1ebfng \u1ed3n v\u00e0 \u0111\u1ed9 n\u1ea3y khi xe di chuy\u1ec3n.<\/p>\n\n\n

\n
\"\"<\/figure>\n<\/div>\n\n\n

Hi\u1ec7u su\u1ea5t an to\u00e0n v\u00e0 thi\u1ebft k\u1ebf ch\u1ed1ng tr\u1ed9m<\/h3>\n\n\n\n

B\u1ec1 m\u1eb7t s\u1ea3n ph\u1ea9m s\u1eed d\u1ee5ng thi\u1ebft k\u1ebf hoa v\u0103n ch\u1ed1ng tr\u01b0\u1ee3t ba chi\u1ec1u, \u0111\u1ea3m b\u1ea3o an to\u00e0n cho ng\u01b0\u1eddi \u0111i b\u1ed9 trong th\u1eddi ti\u1ebft m\u01b0a ho\u1eb7c tuy\u1ebft. H\u1ec7 th\u1ed1ng ch\u1ed1ng tr\u1ed9m s\u1eed d\u1ee5ng b\u1ea3n l\u1ec1 \u1ea9n v\u00e0 kh\u00f3a chuy\u00ean d\u1ee5ng, y\u00eau c\u1ea7u d\u1ee5ng c\u1ee5 chuy\u00ean d\u1ee5ng \u0111\u1ec3 m\u1edf, v\u1ec1 c\u01a1 b\u1ea3n ng\u0103n ch\u1eb7n tr\u1ed9m c\u1eafp. B\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac gi\u1eefa n\u1eafp v\u00e0 khung \u0111\u01b0\u1ee3c gia c\u00f4ng ch\u00ednh x\u00e1c, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 an to\u00e0n sau khi l\u1eafp \u0111\u1eb7t. Ngo\u00e0i ra, s\u1ea3n ph\u1ea9m c\u00f2n \u0111\u01b0\u1ee3c trang b\u1ecb thi\u1ebft b\u1ecb ch\u1ed1ng r\u01a1i, mang l\u1ea1i s\u1ef1 an to\u00e0n tuy\u1ec7t \u0111\u1ed1i cho c\u00f4ng t\u00e1c b\u1ea3o tr\u00ec.<\/p>\n\n\n\n

\u0110\u1eb7c t\u00ednh \u0111\u1ed9 b\u1ec1n v\u00e0 ch\u1ed1ng \u0103n m\u00f2n<\/h3>\n\n\n\n

Nh\u1edd l\u1edbp m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng v\u00e0 l\u1edbp ph\u1ee7 epoxy asphalt b\u1ea3o v\u1ec7 k\u00e9p, kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3. L\u1edbp k\u1ebdm t\u1ea1o th\u00e0nh li\u00ean k\u1ebft kim lo\u1ea1i v\u1edbi b\u1ec1 m\u1eb7t, ng\u0103n ch\u1eb7n hi\u1ec7u qu\u1ea3 s\u1ef1 \u0103n m\u00f2n c\u1ee7a m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n. \u0110\u01b0\u1ee3c ki\u1ec3m ch\u1ee9ng b\u1eb1ng th\u1eed nghi\u1ec7m phun mu\u1ed1i, tu\u1ed5i th\u1ecd c\u1ee7a s\u1ea3n ph\u1ea9m c\u00f3 th\u1ec3 v\u01b0\u1ee3t qu\u00e1 30 n\u0103m trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t. Quy tr\u00ecnh x\u1eed l\u00fd b\u1ec1 m\u1eb7t \u0111\u1eb7c bi\u1ec7t c\u0169ng mang l\u1ea1i kh\u1ea3 n\u0103ng ch\u1ed1ng tia UV t\u1ed1t, ng\u0103n ng\u1eeba phai m\u00e0u v\u00e0 l\u00e3o h\u00f3a trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng l\u00e2u d\u00e0i.<\/p>\n\n\n\n

S\u1ef1 ti\u1ec7n l\u1ee3i trong x\u00e2y d\u1ef1ng v\u00e0 l\u1ee3i \u00edch kinh t\u1ebf<\/h3>\n\n\n\n

Thi\u1ebft k\u1ebf m\u00f4-\u0111un gi\u00fap qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t \u0111\u01a1n gi\u1ea3n v\u00e0 hi\u1ec7u qu\u1ea3, v\u1edbi th\u1eddi gian l\u1eafp \u0111\u1eb7t m\u1ed7i \u0111\u01a1n v\u1ecb kh\u00f4ng qu\u00e1 20 ph\u00fat. Ki\u1ec3m so\u00e1t k\u00edch th\u01b0\u1edbc ch\u00ednh x\u00e1c \u0111\u1ea3m b\u1ea3o v\u1eeba kh\u00edt ho\u00e0n h\u1ea3o v\u1edbi khung ti\u00eau chu\u1ea9n, kh\u00f4ng c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh t\u1ea1i ch\u1ed7. T\u1eeb ph\u00e2n t\u00edch chi ph\u00ed to\u00e0n v\u00f2ng \u0111\u1eddi, tu\u1ed5i th\u1ecd c\u1ef1c cao v\u00e0 y\u00eau c\u1ea7u b\u1ea3o tr\u00ec c\u1ef1c th\u1ea5p c\u1ee7a s\u1ea3n ph\u1ea9m gi\u00fap gi\u1ea3m t\u1ed5ng chi ph\u00ed s\u1eed d\u1ee5ng h\u01a1n 35% so v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m truy\u1ec1n th\u1ed1ng. Theo th\u1ed1ng k\u00ea k\u1ef9 thu\u1eadt, sau khi \u00e1p d\u1ee5ng l\u1edbp ph\u1ee7 n\u00e0y, t\u1ea7n su\u1ea5t b\u1ea3o tr\u00ec gi\u1ea3m \u0111\u00e1ng k\u1ec3, gi\u00fap ti\u1ebft ki\u1ec7m hi\u1ec7u qu\u1ea3 chi ph\u00ed v\u1eadn h\u00e0nh v\u00e0 b\u1ea3o tr\u00ec.<\/p>\n\n\n\n

C\u00e1c k\u1ecbch b\u1ea3n \u1ee9ng d\u1ee5ng v\u00e0 hi\u1ec7u su\u1ea5t th\u00edch \u1ee9ng<\/h3>\n\n\n\n

Thi\u1ebft k\u1ebf c\u1ea5u tr\u00fac vu\u00f4ng v\u1eafn gi\u00fap s\u1ea3n ph\u1ea9m n\u00e0y th\u00edch \u1ee9ng t\u1ed1t h\u01a1n v\u1edbi c\u00e1c nhu c\u1ea7u kh\u00f4ng gian \u0111\u1eb7c bi\u1ec7t nh\u01b0 ranh gi\u1edbi \u0111\u01b0\u1eddng b\u1ed9 v\u00e0 v\u00e0nh \u0111ai xanh. S\u1ea3n ph\u1ea9m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00f9y ch\u1ec9nh k\u00edch th\u01b0\u1edbc v\u00e0 x\u1eed l\u00fd b\u1ec1 m\u1eb7t kh\u00e1c nhau theo nhu c\u1ea7u th\u1ef1c t\u1ebf, \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u s\u1eed d\u1ee5ng c\u1ee7a c\u00e1c m\u00f4i tr\u01b0\u1eddng \u0111\u1eb7c bi\u1ec7t. Thi\u1ebft k\u1ebf ngo\u1ea1i h\u00ecnh tinh t\u1ebf h\u00e0i h\u00f2a v\u1edbi m\u00f4i tr\u01b0\u1eddng xung quanh, n\u00e2ng cao hi\u1ec7u \u1ee9ng c\u1ea3nh quan t\u1ed5ng th\u1ec3 \u0111\u1ed3ng th\u1eddi \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u ch\u1ee9c n\u0103ng.<\/p>\n\n\n

\n
\"\"<\/figure>\n<\/div>\n\n\n

B\u1ea3n t\u00f3m t\u1eaft<\/h3>\n\n\n\n

N\u1eafp c\u1ed1ng vu\u00f4ng th\u00f4ng th\u01b0\u1eddng b\u1eb1ng gang d\u1ebbo lzbmetal, v\u1edbi \u0111\u1eb7c t\u00ednh v\u1eadt li\u1ec7u v\u01b0\u1ee3t tr\u1ed9i, thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u khoa h\u1ecdc, hi\u1ec7u su\u1ea5t an to\u00e0n \u0111\u00e1ng tin c\u1eady v\u00e0 l\u1ee3i \u00edch kinh t\u1ebf \u0111\u00e1ng k\u1ec3, \u0111\u00e3 tr\u1edf th\u00e0nh gi\u1ea3i ph\u00e1p \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng trong x\u00e2y d\u1ef1ng \u0111\u00f4 th\u1ecb hi\u1ec7n \u0111\u1ea1i. S\u1ea3n ph\u1ea9m n\u00e0y kh\u00f4ng ch\u1ec9 gi\u1ea3i quy\u1ebft c\u00e1c nh\u01b0\u1ee3c \u0111i\u1ec3m k\u1ef9 thu\u1eadt t\u1ed3n t\u1ea1i trong c\u00e1c lo\u1ea1i n\u1eafp c\u1ed1ng truy\u1ec1n th\u1ed1ng m\u00e0 c\u00f2n, v\u1edbi \u00fd t\u01b0\u1edfng thi\u1ebft k\u1ebf s\u00e1ng t\u1ea1o v\u00e0 hi\u1ec7u su\u1ea5t v\u01b0\u1ee3t tr\u1ed9i, mang l\u1ea1i s\u1ef1 \u0111\u1ea3m b\u1ea3o \u0111\u00e1ng tin c\u1eady cho ho\u1ea1t \u0111\u1ed9ng an to\u00e0n c\u1ee7a c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u00f4 th\u1ecb. L\u1ef1a ch\u1ecdn s\u1ea3n ph\u1ea9m n\u00e0y \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c mang l\u1ea1i s\u1ef1 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng l\u00e2u d\u00e0i v\u00e0 gi\u00e1 tr\u1ecb gia t\u0103ng cho d\u1ef1 \u00e1n k\u1ef9 thu\u1eadt, \u0111\u00f3 l\u00e0 l\u00fd do c\u01a1 b\u1ea3n cho s\u1ef1 c\u00f4ng nh\u1eadn li\u00ean t\u1ee5c c\u1ee7a n\u00f3 tr\u00ean th\u1ecb tr\u01b0\u1eddng.<\/p>","protected":false},"excerpt":{"rendered":"

V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n ng\u00e0y c\u00e0ng t\u0103ng c\u1ee7a c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u00f4 th\u1ecb hi\u1ec7n nay, n\u1eafp c\u1ed1ng, m\u1ed9t b\u1ed9 ph\u1eadn quan tr\u1ecdng c\u1ee7a h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng b\u1ed9, \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn an to\u00e0n giao th\u00f4ng v\u00e0 hi\u1ec7u qu\u1ea3 b\u1ea3o tr\u00ec \u0111\u00f4 th\u1ecb. N\u1eafp c\u1ed1ng truy\u1ec1n th\u1ed1ng th\u01b0\u1eddng g\u1eb7p ph\u1ea3i c\u00e1c v\u1ea5n \u0111\u1ec1 trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng nh\u01b0 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i kh\u00f4ng \u0111\u1ee7, g\u00e2y ti\u1ebfng \u1ed3n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng tr\u1ed9m k\u00e9m, trong khi n\u1eafp c\u1ed1ng gang th\u00f4ng th\u01b0\u1eddng c\u00f3 tu\u1ed5i th\u1ecd t\u01b0\u01a1ng \u0111\u1ed1i ng\u1eafn [\u2026]<\/p>","protected":false},"author":2,"featured_media":345,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[126,114,63],"class_list":["post-1390","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-ductile-cast-iron","tag-luzhongbao","tag-manhole-cover"],"yoast_head":"\nWhy Everyone Chooses lzbmetal Ductile Iron Ordinary Square Manhole Cover News - LZBMetal Products Co., Ltd<\/title>\n<meta name=\"description\" content=\"The Luzhongbao Ductile Iron Ordinary Square Manhole Cover, with its excellent material properties, scientific structural design, reliable safety performance, and significant economic benefits, has become the preferred solution for modern urban construction. This product not only solves the technical defects existing in traditional covers but also, with its innovative design concept and exceptional performance, provides reliable assurance for the safe operation of urban infrastructure. Choosing this product means injecting lasting quality assurance and value return into the engineering project, which is the fundamental reason for its continued recognition in the market competition.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lzbmetal.com\/vi\/tai-sao-moi-nguoi-lai-chon-nap-ho-ga-vuong-thong-thuong-bang-gang-deo-luzhongbao\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Why Everyone Chooses lzbmetal Ductile Iron Ordinary Square Manhole Cover News - LZBMetal Products Co., Ltd\" \/>\n<meta property=\"og:description\" content=\"The Luzhongbao Ductile Iron Ordinary Square Manhole Cover, with its excellent material properties, scientific structural design, reliable safety performance, and significant economic benefits, has become the preferred solution for modern urban construction. This product not only solves the technical defects existing in traditional covers but also, with its innovative design concept and exceptional performance, provides reliable assurance for the safe operation of urban infrastructure. Choosing this product means injecting lasting quality assurance and value return into the engineering project, which is the fundamental reason for its continued recognition in the market competition.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lzbmetal.com\/vi\/tai-sao-moi-nguoi-lai-chon-nap-ho-ga-vuong-thong-thuong-bang-gang-deo-luzhongbao\/\" \/>\n<meta property=\"og:site_name\" content=\"LZBMetal Products Co., Ltd\" \/>\n<meta property=\"article:published_time\" content=\"2025-11-10T10:13:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/lzbmetal.com\/wp-content\/uploads\/2024\/12\/1741075061369414_W_800px.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"luzhongbao\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@Levi_Luzhongbao\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"luzhongbao\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 ph\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/why-everyone-chooses-luzhongbao-ductile-iron-ordinary-square-manhole-cover\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/why-everyone-chooses-luzhongbao-ductile-iron-ordinary-square-manhole-cover\\\/\"},\"author\":{\"name\":\"luzhongbao\",\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/#\\\/schema\\\/person\\\/03225aba1019488054ecea53728c5cf0\"},\"headline\":\"Why Everyone Chooses lzbmetal Ductile Iron Ordinary Square Manhole Cover\",\"datePublished\":\"2025-11-10T10:13:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/why-everyone-chooses-luzhongbao-ductile-iron-ordinary-square-manhole-cover\\\/\"},\"wordCount\":779,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/why-everyone-chooses-luzhongbao-ductile-iron-ordinary-square-manhole-cover\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/lzbmetal.com\\\/wp-content\\\/uploads\\\/2024\\\/12\\\/1741075061369414_W_800px.webp\",\"keywords\":[\"Ductile Cast Iron\",\"Luzhongbao\",\"Manhole Cover\"],\"articleSection\":[\"News\"],\"inLanguage\":\"vi\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/lzbmetal.com\\\/why-everyone-chooses-luzhongbao-ductile-iron-ordinary-square-manhole-cover\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/why-everyone-chooses-luzhongbao-ductile-iron-ordinary-square-manhole-cover\\\/\",\"url\":\"https:\\\/\\\/lzbmetal.com\\\/why-everyone-chooses-luzhongbao-ductile-iron-ordinary-square-manhole-cover\\\/\",\"name\":\"Why Everyone Chooses lzbmetal Ductile Iron Ordinary Square Manhole Cover News - LZBMetal Products Co., Ltd\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/why-everyone-chooses-luzhongbao-ductile-iron-ordinary-square-manhole-cover\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/why-everyone-chooses-luzhongbao-ductile-iron-ordinary-square-manhole-cover\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/lzbmetal.com\\\/wp-content\\\/uploads\\\/2024\\\/12\\\/1741075061369414_W_800px.webp\",\"datePublished\":\"2025-11-10T10:13:00+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/#\\\/schema\\\/person\\\/03225aba1019488054ecea53728c5cf0\"},\"description\":\"The Luzhongbao Ductile Iron Ordinary Square Manhole Cover, with its excellent material properties, scientific structural design, reliable safety performance, and significant economic benefits, has become the preferred solution for modern urban construction. This product not only solves the technical defects existing in traditional covers but also, with its innovative design concept and exceptional performance, provides reliable assurance for the safe operation of urban infrastructure. Choosing this product means injecting lasting quality assurance and value return into the engineering project, which is the fundamental reason for its continued recognition in the market competition.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/why-everyone-chooses-luzhongbao-ductile-iron-ordinary-square-manhole-cover\\\/#breadcrumb\"},\"inLanguage\":\"vi\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/lzbmetal.com\\\/why-everyone-chooses-luzhongbao-ductile-iron-ordinary-square-manhole-cover\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"vi\",\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/why-everyone-chooses-luzhongbao-ductile-iron-ordinary-square-manhole-cover\\\/#primaryimage\",\"url\":\"https:\\\/\\\/lzbmetal.com\\\/wp-content\\\/uploads\\\/2024\\\/12\\\/1741075061369414_W_800px.webp\",\"contentUrl\":\"https:\\\/\\\/lzbmetal.com\\\/wp-content\\\/uploads\\\/2024\\\/12\\\/1741075061369414_W_800px.webp\",\"width\":800,\"height\":800},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/why-everyone-chooses-luzhongbao-ductile-iron-ordinary-square-manhole-cover\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\\\/\\\/lzbmetal.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Why Everyone Chooses Luzhongbao Ductile Iron Ordinary Square Manhole Cover\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/lzbmetal.com\\\/#website\",\"url\":\"https:\\\/\\\/lzbmetal.com\\\/\",\"name\":\"Hubei LZBMetal Products Co., Ltd\",\"description\":\"Your Design, Our Factory. Custom Manhole Covers Made Easy\",\"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\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"V\u00ec sao m\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u ch\u1ecdn n\u1eafp c\u1ed1ng vu\u00f4ng th\u00f4ng th\u01b0\u1eddng b\u1eb1ng gang d\u1ebbo LZBMetal - Tin t\u1ee9c t\u1eeb C\u00f4ng ty TNHH S\u1ea3n ph\u1ea9m LZBMetal","description":"N\u1eafp h\u1ed1 ga vu\u00f4ng th\u00f4ng th\u01b0\u1eddng b\u1eb1ng gang d\u1ebbo Luzhongbao, v\u1edbi \u0111\u1eb7c t\u00ednh v\u1eadt li\u1ec7u \u01b0u vi\u1ec7t, thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u khoa h\u1ecdc, hi\u1ec7u su\u1ea5t an to\u00e0n \u0111\u00e1ng tin c\u1eady v\u00e0 l\u1ee3i \u00edch kinh t\u1ebf \u0111\u00e1ng k\u1ec3, \u0111\u00e3 tr\u1edf th\u00e0nh gi\u1ea3i ph\u00e1p \u01b0u ti\u00ean cho x\u00e2y d\u1ef1ng \u0111\u00f4 th\u1ecb hi\u1ec7n \u0111\u1ea1i. S\u1ea3n ph\u1ea9m n\u00e0y kh\u00f4ng ch\u1ec9 kh\u1eafc ph\u1ee5c nh\u1eefng nh\u01b0\u1ee3c \u0111i\u1ec3m k\u1ef9 thu\u1eadt c\u1ee7a n\u1eafp h\u1ed1 ga truy\u1ec1n th\u1ed1ng m\u00e0 c\u00f2n mang \u0111\u1ebfn s\u1ef1 \u0111\u1ea3m b\u1ea3o \u0111\u00e1ng tin c\u1eady cho ho\u1ea1t \u0111\u1ed9ng an to\u00e0n c\u1ee7a c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u00f4 th\u1ecb nh\u1edd thi\u1ebft k\u1ebf s\u00e1ng t\u1ea1o v\u00e0 hi\u1ec7u su\u1ea5t v\u01b0\u1ee3t tr\u1ed9i. L\u1ef1a ch\u1ecdn s\u1ea3n ph\u1ea9m n\u00e0y \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c mang l\u1ea1i s\u1ef1 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng l\u00e2u d\u00e0i v\u00e0 gi\u00e1 tr\u1ecb gia t\u0103ng cho c\u00e1c d\u1ef1 \u00e1n k\u1ef9 thu\u1eadt, \u0111\u00e2y ch\u00ednh l\u00e0 l\u00fd do c\u1ed1t l\u00f5i gi\u00fap s\u1ea3n ph\u1ea9m lu\u00f4n \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn tr\u00ean th\u1ecb tr\u01b0\u1eddng c\u1ea1nh tranh.","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\/tai-sao-moi-nguoi-lai-chon-nap-ho-ga-vuong-thong-thuong-bang-gang-deo-luzhongbao\/","og_locale":"vi_VN","og_type":"article","og_title":"Why Everyone Chooses lzbmetal Ductile Iron Ordinary Square Manhole Cover News - LZBMetal Products Co., Ltd","og_description":"The Luzhongbao Ductile Iron Ordinary Square Manhole Cover, with its excellent material properties, scientific structural design, reliable safety performance, and significant economic benefits, has become the preferred solution for modern urban construction. This product not only solves the technical defects existing in traditional covers but also, with its innovative design concept and exceptional performance, provides reliable assurance for the safe operation of urban infrastructure. Choosing this product means injecting lasting quality assurance and value return into the engineering project, which is the fundamental reason for its continued recognition in the market competition.","og_url":"https:\/\/lzbmetal.com\/vi\/tai-sao-moi-nguoi-lai-chon-nap-ho-ga-vuong-thong-thuong-bang-gang-deo-luzhongbao\/","og_site_name":"LZBMetal Products Co., Ltd","article_published_time":"2025-11-10T10:13:00+00:00","og_image":[{"width":800,"height":800,"url":"https:\/\/lzbmetal.com\/wp-content\/uploads\/2024\/12\/1741075061369414_W_800px.webp","type":"image\/webp"}],"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":"5 ph\u00fat"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/lzbmetal.com\/why-everyone-chooses-luzhongbao-ductile-iron-ordinary-square-manhole-cover\/#article","isPartOf":{"@id":"https:\/\/lzbmetal.com\/why-everyone-chooses-luzhongbao-ductile-iron-ordinary-square-manhole-cover\/"},"author":{"name":"luzhongbao","@id":"https:\/\/lzbmetal.com\/#\/schema\/person\/03225aba1019488054ecea53728c5cf0"},"headline":"Why Everyone Chooses lzbmetal Ductile Iron Ordinary Square Manhole Cover","datePublished":"2025-11-10T10:13:00+00:00","mainEntityOfPage":{"@id":"https:\/\/lzbmetal.com\/why-everyone-chooses-luzhongbao-ductile-iron-ordinary-square-manhole-cover\/"},"wordCount":779,"commentCount":0,"image":{"@id":"https:\/\/lzbmetal.com\/why-everyone-chooses-luzhongbao-ductile-iron-ordinary-square-manhole-cover\/#primaryimage"},"thumbnailUrl":"https:\/\/lzbmetal.com\/wp-content\/uploads\/2024\/12\/1741075061369414_W_800px.webp","keywords":["Ductile Cast Iron","Luzhongbao","Manhole Cover"],"articleSection":["News"],"inLanguage":"vi","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/lzbmetal.com\/why-everyone-chooses-luzhongbao-ductile-iron-ordinary-square-manhole-cover\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/lzbmetal.com\/why-everyone-chooses-luzhongbao-ductile-iron-ordinary-square-manhole-cover\/","url":"https:\/\/lzbmetal.com\/why-everyone-chooses-luzhongbao-ductile-iron-ordinary-square-manhole-cover\/","name":"V\u00ec sao m\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u ch\u1ecdn n\u1eafp c\u1ed1ng vu\u00f4ng th\u00f4ng th\u01b0\u1eddng b\u1eb1ng gang d\u1ebbo LZBMetal - Tin t\u1ee9c t\u1eeb C\u00f4ng ty TNHH S\u1ea3n ph\u1ea9m LZBMetal","isPartOf":{"@id":"https:\/\/lzbmetal.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/lzbmetal.com\/why-everyone-chooses-luzhongbao-ductile-iron-ordinary-square-manhole-cover\/#primaryimage"},"image":{"@id":"https:\/\/lzbmetal.com\/why-everyone-chooses-luzhongbao-ductile-iron-ordinary-square-manhole-cover\/#primaryimage"},"thumbnailUrl":"https:\/\/lzbmetal.com\/wp-content\/uploads\/2024\/12\/1741075061369414_W_800px.webp","datePublished":"2025-11-10T10:13:00+00:00","author":{"@id":"https:\/\/lzbmetal.com\/#\/schema\/person\/03225aba1019488054ecea53728c5cf0"},"description":"N\u1eafp h\u1ed1 ga vu\u00f4ng th\u00f4ng th\u01b0\u1eddng b\u1eb1ng gang d\u1ebbo Luzhongbao, v\u1edbi \u0111\u1eb7c t\u00ednh v\u1eadt li\u1ec7u \u01b0u vi\u1ec7t, thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u khoa h\u1ecdc, hi\u1ec7u su\u1ea5t an to\u00e0n \u0111\u00e1ng tin c\u1eady v\u00e0 l\u1ee3i \u00edch kinh t\u1ebf \u0111\u00e1ng k\u1ec3, \u0111\u00e3 tr\u1edf th\u00e0nh gi\u1ea3i ph\u00e1p \u01b0u ti\u00ean cho x\u00e2y d\u1ef1ng \u0111\u00f4 th\u1ecb hi\u1ec7n \u0111\u1ea1i. S\u1ea3n ph\u1ea9m n\u00e0y kh\u00f4ng ch\u1ec9 kh\u1eafc ph\u1ee5c nh\u1eefng nh\u01b0\u1ee3c \u0111i\u1ec3m k\u1ef9 thu\u1eadt c\u1ee7a n\u1eafp h\u1ed1 ga truy\u1ec1n th\u1ed1ng m\u00e0 c\u00f2n mang \u0111\u1ebfn s\u1ef1 \u0111\u1ea3m b\u1ea3o \u0111\u00e1ng tin c\u1eady cho ho\u1ea1t \u0111\u1ed9ng an to\u00e0n c\u1ee7a c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u00f4 th\u1ecb nh\u1edd thi\u1ebft k\u1ebf s\u00e1ng t\u1ea1o v\u00e0 hi\u1ec7u su\u1ea5t v\u01b0\u1ee3t tr\u1ed9i. L\u1ef1a ch\u1ecdn s\u1ea3n ph\u1ea9m n\u00e0y \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c mang l\u1ea1i s\u1ef1 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng l\u00e2u d\u00e0i v\u00e0 gi\u00e1 tr\u1ecb gia t\u0103ng cho c\u00e1c d\u1ef1 \u00e1n k\u1ef9 thu\u1eadt, \u0111\u00e2y ch\u00ednh l\u00e0 l\u00fd do c\u1ed1t l\u00f5i gi\u00fap s\u1ea3n ph\u1ea9m lu\u00f4n \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn tr\u00ean th\u1ecb tr\u01b0\u1eddng c\u1ea1nh tranh.","breadcrumb":{"@id":"https:\/\/lzbmetal.com\/why-everyone-chooses-luzhongbao-ductile-iron-ordinary-square-manhole-cover\/#breadcrumb"},"inLanguage":"vi","potentialAction":[{"@type":"ReadAction","target":["https:\/\/lzbmetal.com\/why-everyone-chooses-luzhongbao-ductile-iron-ordinary-square-manhole-cover\/"]}]},{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/lzbmetal.com\/why-everyone-chooses-luzhongbao-ductile-iron-ordinary-square-manhole-cover\/#primaryimage","url":"https:\/\/lzbmetal.com\/wp-content\/uploads\/2024\/12\/1741075061369414_W_800px.webp","contentUrl":"https:\/\/lzbmetal.com\/wp-content\/uploads\/2024\/12\/1741075061369414_W_800px.webp","width":800,"height":800},{"@type":"BreadcrumbList","@id":"https:\/\/lzbmetal.com\/why-everyone-chooses-luzhongbao-ductile-iron-ordinary-square-manhole-cover\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/lzbmetal.com\/"},{"@type":"ListItem","position":2,"name":"Why Everyone Chooses Luzhongbao Ductile Iron Ordinary Square Manhole Cover"}]},{"@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\/1390","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=1390"}],"version-history":[{"count":1,"href":"https:\/\/lzbmetal.com\/vi\/wp-json\/wp\/v2\/posts\/1390\/revisions"}],"predecessor-version":[{"id":1391,"href":"https:\/\/lzbmetal.com\/vi\/wp-json\/wp\/v2\/posts\/1390\/revisions\/1391"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lzbmetal.com\/vi\/wp-json\/wp\/v2\/media\/345"}],"wp:attachment":[{"href":"https:\/\/lzbmetal.com\/vi\/wp-json\/wp\/v2\/media?parent=1390"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lzbmetal.com\/vi\/wp-json\/wp\/v2\/categories?post=1390"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lzbmetal.com\/vi\/wp-json\/wp\/v2\/tags?post=1390"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}