... :SUS,Brass,Al,Harden steel.. Process:Milling,Stamping.. 2013 Chinese high precision sheet metal stamping part for car1. Product & Processing ability ItemDescription ProductCNC ... , Steel alloy,Aluminum, Aluminum alloy,harden metal etc.Processstamping,turning,punching,drilling,welding,die-casting, milling etc.Surface-treatmentplating(Zinc,Nikel ...