... Machining part aluminum cooling fin,heatsink, radiator Extrusion or die casting aluminum ISO certificated MOQ:1000 Aluminum cooling ... the design and manufacture of precision CNC machining, stamping, die casting, extrusion, plastic injection and precision moulds. We ... , deburring, precision CNC machining, according to customers' drawings or samples.3).Materials: Stainless steel ,cold rolled steel ,spring ...