This is small heatsink used for electric or industry. We can fabrication. Aluminum heatsink just do as provide drawing. 1 ... Alloy 6061,6063,6063B,6060,6005,6N012 Alloy chemical element profile AlloySiMgFeCuMnZnCrTi60630 ... so on.5 Machining procedure die casting ,make mould, extrusion ,CNC (milling finish),cutting, anodized6 Factory, Employee, Capacity1 ...