... copper 2.Technics-Hot punchining,CNC machining 3.ISO9001:2008 Oil and gas pipe fitting1. Product Introduction Item DescriptionNameCNC machining part: ... 2) Main products: CNC machining precision parts: valve accessory, brass tube fittings, elbow, tee, nut; Auto-lathe turning precision part: precision ... Xishanqian, Huanxiu Sub-district, Jimo city,Qingdao,Shandong province,China Oil and gas pipe fitting