... (3) Main equipments: CNC lathe, Auto-lathe, meter lathe, pressing and forging machine, ... polishing equipment, etc.(4) Main inspection devices: digital projector, Rockwell hardness tester, hydraulic valve test bench ... , micrometer,thread ring gauge and plug gauge and other regular gauges.(5)Certificate: SGS ISO 9001:2008 CNC Turning & Lathe ...