Precision Parts welded precision part ISO9001:2000 Approved precision casting &Tooling JIS, DIN, ASTM,BS OEM service Precision Parts welded precision partIf you are interested ... service.1.OEM service available 2.Materials: stainless steel,cast iron,pig iron,carbon steel,alloy steel,non-ferrous, ... grey iron,ductile cast iron and so on 3.Process: lost wax process ...