... Zehan Machinery Manufacturing CO., Ltd.(2) Main products: CNC machining precision parts: valve accessory, brass tube fittings, elbow, tee, ... , Huanxiu street, Jimo, Qingdao, Shandong province, China Metal Products Verified Information This information is Verified by Bureau Veritas and ... 9001:2008 SGS, UKAS CN08/10102 Scope: Manufacture of metal valve fittings, pipe fittings and mobile nuts 2011/01/29 ...