... is available7.factory audit is welcomeWe manufacture precision aluminum stamping parts according to customers' design. The products are shown here only ... heat sink, aluminum/steel(iron)pipe,sheet metal parts, punching parts and metal hardware parts. 2. 5,000 square meters workshop and over ... , copper, SPCC, SGCC, Stainless steel, Iron, etc. Precision Aluminum stamping frame tamping parts