... ) Company Name: Qingdao Zehan Machinery Manufacturing CO., Ltd.(2) Main products: CNC machining precision parts: valve accessory, brass ... electronic parts, fasteners, and other jeweler accessories.(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 ...