... of workmanship 3.rich experience 4.OEM manufacturer steel stamping and machining part Materialcarbon steel, stainless steel, steel tube, ... steel rod, aluminium , brass, zinc alloy and etc.Processstamping, bending, welding, casting, punching, machingSurfacepowder coating, ... Our company can product all customer metal product, stamping part, deep drawing part, punching part, casting part ...