... . If you are interested in this pattern, Pls contact us. Heat sink1 Alloy 6061,6063,6063B,6060,6005,6N012 Alloy chemical ... and so on.5 Machining procedure die casting ,make mould, extrusion ,CNC (milling finish),cutting, anodized6 Factory, Employee, Capacity1) Date of ... main domestic customers have Shenzhen Huawei,BYD, Zhongxing, foxconn, etc. Heat sink