Since the enterprise established with more than 20 years, we persists on the scientific technology and perishes various professional talents with the importing of domestic & foreign advanced craftworks and precise devices. The new products are continuously developed based on strengthening the quality of original products. The products specifications are increased form several valves kinds and specifications into the present status that consists of 16 classifications, 2 major series with the specifications fromDN15 to DN600; The straight tube metric & English enjoys 2major series and 22spaces, pipefitting has 9 main kinds with the specs; The corrosive-resistant pump has 2 major series and 6spaces, as well as other sealing accessories, fully-plastic corrosive-proof screws, welding stripes, where the series of corrosive-proof products LED firstly in the domestic are widely in the industrial depts., such as chemical industry, petroleum, chlorine/alkaline, metallurgy, pharmacy, dyeing, foodstuff, electroplating, environmental protection and pure water etc...