Yinxian Donggang Tube Valves Co.,Ltd was establised in 1984, and is specialised in the production of a wide range tube valves. Our products are widely adopted in the truck, car, industrial vehicles and bicycles. Our products have been exported to United States, Germany, Russia and Southeast Asian countries.We have received ISO9002 certificate and We welcome customers from home and aboard to visit our website homepage for further information.www.china-donggang.com