... good surface quality, novel design covering materials of stainless steel, carbon steel, alloy steel, grey iron and ductile iron, etc, have ... rail way, automobile and motorcycle, pump and valve, hardware, construction, etc, and are exported most to Europe, America, and ... mainly produces high precision castings by using 304 stainless steel and 316 stainless steel. The products are ranged from 0.01kgs ...