HEBEI ZIFENG NEW ENERGY TECHNOLOGY CO.,LTD.
Manhole Covers,Cast Iron Manhole Cover,Ductile Manhole Cover,Ductile Iron Manhole Cover
Manhole cover, used to cover the road or deep in the house to prevent people or objects from falling. According to the material can be divided into metal covers, high-strength fiber cement concrete covers, resin covers and so on. Has round type,square type or as demand. Can be used for garden, sidewalks, roads, docks, alleys and so on.
Name: Manhole cover & Grating
Material: Ductile iron GGG50/7, Gray Iron
Shape: Round, Square, Rectangle, Triangle and other shape as demand
Size: From 300(300X300) to(1000) 1000*1000 or custom size
Paint: Bituminous black
Advantage: Longevity corrosion resistance, Excellent anti-pressure
Molding: Depends on the design
Process: Drawing-mould making-raw casting-sand blasting-rough machining-surface treatment-product inspection
Application:motor vehicle Road, municipal administration, living quarters communications, electricity and water supply works