1.Precision Aluminum CNC machining part; 2.For function/structure test; 3.Tolerance:+-0. ... . The following is the brife introduction for CNC prototype:1. Our factory specializes in precision Aluminum CNC machining part,plastic prototype,metal prototype as ... :718,2738,S136, SKD61,H13,SKD11,etc.Advanced equipments:CNC center,precision grinder,milling machine,driller,lathe,wire cutting machine,EDM, full ...