... Material : brass, SUS3163.Process: stamping, machining,assembling, CNC machining, thread machining, mirror polishing4.Tolerance:+/-0.01mm5.Finish: Ra0 ... kinds of advanced and integral CNC machineries & four machining centers, such as milling, broaching, drilling, turning ... , planning, grinding machinery and three-axle machining centers.Test Equipments:Hardness tester,Chemical analysis,Digital ...