Detailed Product Description aluminum radiator,aluminium punch,radiator Alloy code: 6060, 6061, 6063,6005, 6082,6106; Surface treatment ... powder coating,electrophoresis coatingStandard: EN755-9:2001; EN12020-2:2001Technics: aluminum alloy---punch---manchining--- Surface treatment To avoid repeated scraping, processing ... which provides us a strong guarantee for excellent quality of aluminum products.