... die casting aluminum ISO certificated MOQ:1000 Aluminum cooling fin ,CPU heatsink ,radiator, CNC machining , CNC turning , CNC millingProduction Range: ... ,JISProcessPrecision CNC machiningTolerance:0.005mmSurface Roughness Ra0.4-3.2SoftwarePro/E, AutoCAD ,Solid work, UG,CAD,CAMAnnual Capacity:5,000, ... 0.002Wire-Cutting 0.002 machining part aluminum cooling fin CPU heatsink aluminum ,aluminum radiator