... .Professional 3.ISO 9001:2008 4.ODM&OEMCustom high quality cnc blue anodized aluminum micro precision parts 1 ... nickel plated, throme plated, anodized, powder coating, heat treatment7. High quality and competitive price8. Tolerance: +_0.01mm9. Packing details : ... .Our technicsCNC machining, turning, milling, grinding, welding, jig boring, stamping, die casting, laser cutting, engraving, injection,etc ...