... customer drawings or samples. 1 ) Main production equipment: CNC turning and milling machine, automatic lathe machine, thread ... drilling machine, tapping machine, etc 2 ) Measuring & testing equipment: Projector , concentricity tester, hardness tester, roughness tester, torsion ... tester,etc. 3 ) Materials: Different kinds of stainless steel, Brass , aluminum, steel, etc. 4) Finish: Anodized, Polishing, ...