... OEM, die stamping,bending,die casting,chemical etching stainless steel, aluminum parts, alloy are accepted. 1: OEM with 11 years experience ... equipment ensure products precision : Salt spray corrosion tester, Multi light color comparison cabinet, Film Thickness Gauge, UV Fade Cabinet etc ... , Adobe Illustrator etc. Die stamping, polishing metal, stainless steel,aluminum plates, push plates,push switches