... steel,alloy steel high quality machining part material can be GGG25,GS40,C35,C45,carbon steel,alloy steel,aluminiumhigh quality machining part 1) Material: Steel ... , Brass, Copper, Stainless steel, Aluminium, ... Brushing and polishing etc.3) Our services:Machining, Turning, Milling, Stamping, Casting4) Drawing format ...