... .Technics-Hot punchining,CNC machining 3.ISO9001:2008 Oil and gas pipe fitting1. Product Introduction Item DescriptionNameCNC machining part: ... CO., Ltd.(2) Main products: CNC machining precision parts: valve accessory, brass tube fittings, elbow, tee, nut; Auto ... , Rockwell hardness tester, hydraulic valve test bench, micrometer, thread ring gauge and plug gauge and other regular gauges.(5)Certificate: ...