... anodization heat sink anodization aluminium heat sink anodization heat sink black anodization heat sink Silver anodization heat sink 1,Material:mainly in 6000 grade,Such as 6063,6061.other alloy uponcustomer ... Aluminium profile extruding,Precise cutting,Straight rectification,Bending,Drilling,Tapping,Stamping,Pulling,CNC mill, CNC lathe,CNC machining…3,Surface treatments: mill finished,anodizing, ...