... Manufacturing CO., Ltd.(2) Main products: CNC machining precision parts: valve accessory, brass tube fittings, elbow, tee, nut ... ; Auto-lathe turning precision part: precision electronic parts, fasteners, and other jeweler accessories(3) Main equipments: CNC ... devices: digital projector, Rockwell hardness tester, hydraulic valve test bench, micrometer, thread ring gauge and plug gauge and other ...