... , assembly, welding, riveting, punch, stamping, bending, stretching, forging, die casting, mold design and processing, sheet metal working etc.Surface Treatment Technology: anodized ... , 6082, 7003, 7005, 7075. Especially No.6063 or No. 6061 is the principal alloy supplied by the clients. Typical chemical composition ... be our number one priority. OEM/ ODM aluminum mechanical hobbing machine parts