2013 Chinese high precision sheet metal stamping part for car Material:SUS,Brass,Al,Harden steel.. Process:Milling,Stamping.. ... Industry, Auto, Mechanical etc.Preferred Drawing FormatAutoCAD, JPEG, PDF and most other file formats are accepted. 2.Company information 1 ... Koyo,Yima, Younaite, Geer etc.4) Strict quality control system, including the raw material inspection, in-process inspection in every ...