... Equipment Pump and Valve Railroad and Transportation precision cast, Investment casting.Professional foundry with strong machining ... Reshaping,Machining2Materials: carbon steel, alloy steel, cast iron, cast steel, pig iron, grey iron, ductile cast iron and so on 3) Mature Quality ... casting ,stainless steel,cast iron,pig iron,carbon steel,alloy steel,non-ferrous,grey iron,ductile cast iron and so on 3 ...