Duplex Tools Machinery Co., Ltd, founded in 2006, is a professional manufacturer of hydraulic tools, with its’ sales headquarter in Shanghai, China and factory in Jiangsu Province. Our main products are hydraulic wrenches, cylinders, hand pumps, hydraulic pullers, bolt tensioners, nut splitters, flange spreaders and hydraulic hose etc. Our hydraulic tools can be widely applied to different areas, such as manufacturing, construction, oil & gas, shipbuilding, tail roads, mining and metallurgy. They can help to solve the complicated problems in a safe and simple way. We have our own brand: DUPLEX. However, we would also like to do OEM for customers. Presently our products are being sold to clients from domestic market and many countries in Asia , Europe as well as South America. We have an excellent engineer team, thus we are not only limited on the present products. We devote great effort to developing new items year by year. A wide range of new products for different uses and special applications with modern designs are being developed by our engineers. Besides, we always take "Customer First"as our belief. Therefore, we not only supply high-quality products, but also try to offer the best and swiftest after-sale service. Today, DUPLEX is keeping its progress to produce top-quality hydraulic tools which can be fit for all industrial applications. They are wining more and more reputations from our customers around the world. Duplex tools, the reliable assistant for industrial maintenance!