Drainage grey iron grating

Drainage grey iron grating Product superiority: 1----Anti-theft 2----Load-bearing great 3----Corrosion resistant Use: Grey iron Grating are mainly used for drainage of municipal roads and general roads, factory drainage, basement drainage, general building drainage facilities and inspection well facilities. Advantage: The tensile strength and pressure resistance of the ductile iron grating are good. Compared with the resin composite material and the cement material, the