... .Passed ROHS and ISO certification 3.Treatment: Black anodize Heat sink passed ROHS 1 Alloy 6061,6063,6063B,6060,6005,6N012 ... ,drilling,tapping machines,with more than 36,000 product apply in electronic ,building,machinery,automobile,camera monitor etc .c)Advance test ... client request .8 Main Market & ProjectsOur main market is main in America, Canada, Japan, EU,Singapore, South Asia and so on ...