... 1,wiring terminals, Brass terminals,CNC turning part, lathe machine parts and function 2, ISO9001:2008, ROHS certification 3 ... Test : projecting apparatus, microscop.Absolute digital caliper,roughness tester and concentricity tester etc.Product material: carbon steel,cooper,iron,aluminium ... ,Professional production equipment, superior quality. Lathe parts,lathe machine parts and function,brass arts