... 3.Treatment: Black anodize Heat sink passed ROHS 1 Alloy 6061,6063,6063B,6060,6005,6N012 Alloy chemical element profile AlloySiMgFeCuMnZnCrTi60630 ... blue, bronze and so on.5 Machining procedure die casting ,make mould, extrusion ,CNC (milling finish),cutting, anodized6 Factory, ... Processing machine18 production line .15 sets of imported CNC lathe,80sets of punching,drilling,tapping machines,with ...