620×1000×75 Composite Rectangular Manhole Cover

I. Structural Analysis: Purpose-Built Non-Standard Dimensions   Core Material: Unsaturated polyester resin + fiberglass reinforcement, molded in one high-pressure cycle. Metal-free construction eliminates scrap value, inherently solving theft risks. Dimensions: 620mm (W) × 1000mm (L) × 75mm (H) – optimized for elongated pits (e.g., congested utility corridors). The 75mm thickness boosts structural stability.   Pr...

Hubei lzbmetal Joins National Manhole Cover Standard Drafting in Beijing, Driving Urban Public Facility Safety Upgrades  

A small manhole cover carries immense responsibility for urban safety. One Hubei-based enterprise is now contributing its technical expertise to national standard development, safeguarding the footsteps of millions.   The Standardization Administration of China (SAC) recently initiated the revision of the national standard Urban Public Facilities - Manhole Cover Service Systems in Beijing. Hubei lzbmetal Metal Products Co., ...

lzbmetal EN124 Ductile Iron Manhole Cover Solutions Launch at VIETBUILD HCMC 2025

Arming Urban Underground Arteries with "Safety Armor"   lzbmetal EN124 Ductile Iron Manhole Cover Solutions Launch at VIETBUILD HCMC 2025   June 25-29, 2025 | Booth A2-634 _cuva Subtitle: The Overlooked Ground Defense As Vietnam accelerates urbanization, manhole covers bearing over 30kg/cm² serve as the first line of defense for road safety.   —Yet according to the Vietnam Infrastructure Association, roa...

700×1050×60 Double-Opening Composite Square Manhole Cover

700×1050×60 Double-Opening Composite Square Manhole Cover I. Structural & Manufacturing Analysis The cover uses unsaturated polyester resin as the matrix, reinforced with high-strength glass fibers and embedded steel reinforcement, molded under high temperature and pressure. The "double-opening" structure consists of two symmetrical leaves connected along the central axis, allowing half the cover to remain in place during...

lzbmetal Professional Ductile Iron Manhole Covers Debut at VIETBUILD HCMC 2025

lzbmetal Professional Ductile Iron Manhole Covers Debut at VIETBUILD HCMC 2025 Booth: Hall A2-634 | Dates: June 25-29, 2025   Dear Industry Partner,   lzbmetal Metal Products Co., Ltd. cordially invites you to visit Booth A2-634 at the 2025 VIETBUILD Ho Chi Minh City International Construction Exhibition. As China's specialized manufacturer of ductile iron manhole covers, we will showcase high-performance products com...

[lzbmetal] In Vietnam, We Make Every Inch of Road "Rock-Solid"!

[lzbmetal] In Vietnam, We Make Every Inch of Road "Rock-Solid"!   June 25-29 | VIETBUILD HCMC | Booth A2-634 – Experience the Power of Professional Manhole Covers! Struggling with These Problems? Manhole settlement causing uneven roads? Noise pollution triggering constant complaints? Frequent theft driving up maintenance costs? Corrosion and cracking shortening lifespan? Visit lzbmetal at Booth A2-634 fo...

700×800×60 Composite Round Manhole Cover

I. Material & Structural Innovation 1.Composite Material System Reinforcement Skeleton: Longitudinal glass fibers + radial carbon fiber woven mesh, exceeding national standard D400 load class (40 tons). Matrix Resin:   BMC (Bulk Molding Compound): High-temperature compression molded, density 1.8g/cm³ (only 1/5 of cast iron), resistant to acids/alkalis pH 1-14.   SMC (Sheet Molding Compound): UV...

lzbmetal Professional Manhole Covers Shine at VIETBUILD Hanoi/Ho Chi Minh City

lzbmetal Professional Manhole Covers Shine at VIETBUILD Hanoi/Ho Chi Minh City! Booth A2-634 – Join Us in Building a Safer Future! Dear Valued Clients, Partners, and Industry Peers, We cordially invite you to visit the lzbmetal Metal Products Co., Ltd. booth at the 2025 VIETBUILD Hanoi / Ho Chi Minh City International Construction Exhibition! As a leading Chinese manufacturer specializing in manhole covers, particularly ductil...

2025 Vietnam International Building Exhibition

Luzhongbao Set to Shine at 2025 Vietnam International Building Exhibition: Green Technology Empowers a New Era of Smart Construction in ASEAN   June 10, 2025, Shenzhen, China — Luzhongbao Group, a global pioneer in green building materials innovation, officially announced its grand debut at the 2025 Vietnam International Building Exhibition (VIETBUILD 2025), taking place from June 25 to 29 at the VISKY Exhibition Center in H...

lzbmetal Showcases Cutting-Edge Ductile Iron Tech at Jakarta Mega Build Asia

lzbmetal Showcases Cutting-Edge Ductile Iron Tech at Jakarta Mega Build Asia, Safeguarding Indonesia’s New Capital Construction   Event: Indonesia International Building Materials Exhibition 2025 (Mega Build Asia)   Booth: Hall 5, Zone D, Stand 2E - Jakarta ICE Convention Center   Dates: July 2-6, 2025   联系我们 Indonesia’s Infrastructure Opportunity: New Capital Drive Ignites Premium Manhole Cov...