2013 Chinese high precision sheet metal stamping part for car Material:SUS,Brass,Al,Harden steel.. Process:Milling, ... Stamping.. 2013 Chinese high precision sheet metal stamping part ... , Stainless steel, Steel alloy,Aluminum, Aluminum alloy,harden metal etc.Processstamping,turning,punching,drilling,welding,die-casting, milling etc ...