... .Casting ,extrusion,CNC(milling),anodized 3.Material:A16063 Heat sink for led 1) Alloy 6061,6063,6063B,6060,6005,6N012) Alloy ... meter, desk type hardness meter, eddy-current film tester, colorimeter, electron microscope and so on7)Certificates ISO 9001:2000 ISO 14001 ...