... parts, stamping parts, casting and forging parts, welding parts ,assembly service.2.Various Machining Materials:stainless steel, alloy steel ,brass, bronze, copper, aluminum, plastic, or ... ,JIS,ASTM,AISI,BS,GB standardWelcome to contact us for more:TEL:86-769-22689275FAX:086-769-22689375 Skype: gpmsales03Tin Plated CNC ...