cast iron manhole cover with frames manhole cover bolt manhole cast iron

Support Classes A15, B125, C250, D400, E600,F900 Material Ductile iron,Cast iron Design Standard BS EN124 Test Testing before shipping for the smooth surface and loading. We support testing by any third party. Certificate SGS, ISO9001 Surface Treatment Anti-Slip Package plastic firm, and wooden plant.Or as per customers' requirements New mould According darwing or picture.