... vapor deposition (PVD), etc.3.Metal Process: stainless steel, carbon steel, steel, aluminum alloy, brass, copper etc.4.Surface Treatment: Zn ( ... rolling, stamping, cold drawing, bending, spinning, forging, etc7.OEM service availableNingbo Yinzhomu Hishen Hardware Co.Ltd.Add No.:279 ... 88071752Fax: 0086-574-88454438Website: www.hi-shen.com Casting parts, steel casting foundry\precision machining parts