... on the surface Product No./NameJJ-00085 / CNC machining, CNC machining part for electronic component Machining Capability1) Material: Aluminum, Aluminum alloy, stainless steel ... : ABS, PC, PS, PP, PVC, TPR, TPU, TPE, HDPE, PMMA) etc.5) Surface Treatment: High quality polish, powder coating, Chrome ... : +/- 0.0005 inch, also accord with GB6414 CNC machining, CNC machining part, electronic component