... :BS EN124 A15 Cast Iron drain cover:1.Manhole Covers and Frame Conforming to EN124 Standards, Gully, Trench Grate and Frame Also ... :Gray iron: GG20 Ductile iron: GGG503.Main products:Manhole cover.gully grate,surface box.manhole steps,flange,submersible water pump,imspeller ... :0086-13831076308Fax:0086-0310-7838330Trade Manager ID:zhangshuicasting Cast iron drain cover