1.Material:brass 2.investment casting, machining 4.ISO9001-2000 5.foundry Non-ferrous casting1.Material:the part showed ... parts,such as stainless steel,steel,iron,non-ferrous metal,aluminum,brass,bronze by invesment casting,sand casting,die casting ... sequence from mold-designing,molding,investment casting,heat-processing,surface treating,and machining ,with annual productive capacity of different ...