... die casting aluminum ISO certificated MOQ:1000 Aluminum cooling fin ,CPU heatsink ,radiator, CNC machining , CNC turning , CNC millingProduction ... parts, other machining part, grinding parts, wire cutting, polishing, heat treatment, surface treatment complying with customers' drawings. Precision CNC machining ... -Cutting 0.002 machining part aluminum cooling fin CPU heatsink aluminum ,aluminum radiator