... 2. Good quality 3. OEM is welcome For Iphone Cover, Aluminum Cover Business Scope CNC center machining ... passivate,etc. Inspection CMM, mechanical property tester, RoHs tester, projecting apparatus, roughness tester, hardness tester, concentricity tester, digital height gauge,caliper. Third party ... your requirement Rich-experience & good technical engineering support. For Iphone Cover, Aluminum Cover