1 aluminum alloy Heat sink 2 material :A380,ADC12,AL6063 3 ... A380, EN44100,EN47100, ZMARK 3 ,ZDC3 2) surface treatment:powder coating, painting, plating, anodyze3) producing scope: stamping, Cnc ,Die casting4 ... terms of pyment:T/T7) provide die casting, including alloy , zinc, brass die casting If you need our manufature ... accordance with ISO9001:2008Factory Profile: widely used aluminum alloy heat sink