SinoTub Industry Co.,Ltd. is a professional hydraulic fittings & valves manufacturer & distributor with subsidiary in low cost manufacturing area of Zhejiang Province. The products we are producting are per ISO, SAE, DIN & BS standards. Our customers are spreading all over North America, Europe, Japan, Australla & South Africa, The Capabilities of our company are casting , forging as well as machining. With our expertise & skilled staff, we could provide you with high quality products. To continuously pursue satisfaction of our customers is always the objective of ours. For this purpose, We have been strengthening our management system, and been certified ISO9001:2000.