... aluminum extrusion heatsink for cooling Finish:anodize MOQ:1000 pcs ISO 9001:2008 Prompt delivery best price Aluminum cooling fin ,CPU ... stamping, die casting, extrusion, plastic injection and precision moulds. We offer OEM and ODM services.In precision CNC ... , deburring, precision CNC machining, according to customers' drawings or samples.3).Materials: Stainless steel ,cold rolled steel ,spring ...