Manhole cover 1)Ductile iron/Cast iron 2)ISO9001:2008,EN124, 3)A15,B125,C250,D400,E600,F900 4)Size as requirement Manhole cover1)Ductile iron/Cast iron2)ISO9001:2008,EN124,SGS,BV3)A15,B125,C250,D400,E600,F9004)Size as client's requestSand Casting Manhole Cover Material: Grey/Ductile Cast Iron Standard: ISO 9001:2008, EN124, SGS, BV Class: A15, B125, C250, D400, E600, F900Specifications: 200*200, ...