sluice valve 1.Material:QT450 2.Certificate:TUV 3: ... origin:Shandong,China7.Payment:T/T,L/C Qingdao Angel International Trade Co., Ltd. is a company with ... ., Ltd., Zhangqiu Xingyi Forging Co., Ltd. and Valve factory. Valve factory is located in Jimo City. The factory has ... products are cast iron drainage pipe fittings, check valve, butterfly valve and so on. Welcome to establish business relationship ...