... Standard:JIS,DIN,ASTM,BS OEM service available cast steel gate valveWe are a foundry which ... .OEM service available 3.Materials: stainless steel,cast iron,pig iron,carbon steel,alloy steel,non ... -ferrous,grey iron,ductile cast iron and so on 4.Process: lost wax ... steel, alloy steel, non-ferrous, grey iron, ductile cast, aluminum alloy, ductile iron, brass, zinc etc.standardDIN, AISI, ...