Machining part aluminum extrusion heatsink for cooling Finish:anodize MOQ:1000 pcs ISO 9001: ... design and manufacture of precision CNC machining, stamping, die casting, extrusion, plastic injection and precision moulds. We offer OEM and ODM ... , according to customers' drawings or samples.3).Materials: Stainless steel ,cold rolled steel ,spring steel ,aluminum alloy, brass, bronze, copper, plastic ...