... 1.LED lamp heatsink 2.die casting 3.Material: 6063-T6 4.Finish: Anodizing, powder coating. 5. ISO9001-2000 LED heat sink, aluminum die casting,Material: ... 6063-T5, ADC12,A356,Finish: Anodyze, blasting,We provide OEM extrusion, stamping, ,aluminum ,zinc, brass die castingOur ... quality control24 H online sevice LED heatsink die casting,aluminum die casting