... :JIS,DIN,ASTM,BS OEM service available cast steel gate valveWe are a foundry which is ... ,ect. descriptionmaterialstainless steel, cast iron, pig iron, carbon steel, alloy steel, non-ferrous, grey iron, ductile cast, aluminum alloy, ... ductile iron, brass, zinc etc.standardDIN, AISI, ASTM, BS, JIS, etc.surface treatmentHeat Treatment, Polishing, Plating, Machining, Anodizing, shot ...