1.Precision Aluminum CNC machining part; 2.For function/structure test; 3.Tolerance:+-0.05mm; 4. ... introduction for CNC prototype:1. Our factory specializes in precision Aluminum CNC machining part,plastic prototype,metal prototype as per your drawing or ... ,PP,PPS,PEI,PEEK,PTFE,etc; various metal: Aluminum,Zinc,Brass,Copper,magnesium,45# steel,stainless steel,etc. 3. Surface treatment ...