... machines2)Material:Iron,carbon steel,stainless,brass,copper,alloy steel,aluminum,cold rolled steel with various plated;3)Surface treatment: ... kinds of plating(Zinc,Nikel,Chrome,Tin,Ag);Painting,Powder,Anodizing,E-coating,Silkscreen,Heat treatment,Black oxid;4) ... with you to develop our long-term business relationship and to prosper in the coming future. welding and powder coating metal parts