... to Drawing or Sample Advantage of our factory and Features of products:1. Professional CNC equipments. (we have CNC latheMachine ... Function Milling Machines,Grinding Machines .etc)2. Professional testing equipments.(we have Coordinating Measuring Machine,,Hardness Testers, , Digital ... parts.5. Min. Tolerance 0.01mm6. Finishing with plating of Nickel,silver,copper, zinc .etc. and anodized ,powder ...