... .Technics-Hot punchining,CNC machining 3.ISO9001:2008 Oil and gas pipe fitting1. Product Introduction Item DescriptionNameCNC machining part: Copper machining ... fittings, elbow, tee, nut; Auto-lathe turning precision part: precision electronic parts, fasteners, and other jeweler accessories(3) Main equipments: CNC ... Sub-district, Jimo city,Qingdao,Shandong province,China Oil and gas pipe fitting