Ultra-High Load Capacity,30-Year Anti-Corrosion,Zero-Settlement Patented Structure

750×950×190 Ductile Cast Iron Anti-Settlement Manhole Cover

Ultra-High Load Capacity,Zero-Settlement Patented Structure,Rapid Drainage & Anti-Clogging

700×900×190 Ductile Iron Anti-Settlement Manhole Cover

Wide-edge design, Anti-slip wear-resistant surface, Customizable

Ductile Cast Iron Wide-Edge Anti-Settlement Round Manhole Covers  

Wide-edge anti-settlement, Anti-rattle & Anti-drop, Anti-displacement

Ductile Cast Iron Square-Frame-Round-Cover Manhole Covers  

High Load-Bearing Capacity，Anti-Slip Wear-Resistant Surface, Customizable

Ductile Cast Iron Anti-Settlement Manhole Covers