... certificate 2.Casting ,extrusion,CNC(milling),anodized 3.Material:A16063 Heat sink for led 1) Alloy 6061,6063,6063B,6060,6005,6N012 ... analyzer, imported projector measuring instrument, Rockwell hardness meter, clamp type hardness meter, desk type hardness meter, eddy-current film tester, colorimeter, electron ...