... , Surface Roughness Tester, Pressure Tester, CMM, Magnetic Particle Inspection etc.Main Technology: lathe; mill; grind; insert; broach; drill; turning; ... rough-ground part, precision-ground part, machined part, precision steel shaft, precision component, machining casting, vertical machining, production machining, surface ... gray iron, ductile iron, brass, bronze, aluminum, zinc Transmission shaft