Shanghai duoke energy technology co., LTD., founded in 2007, more than six years, we have been committed to auto parts research and development and production of environmental protection. In this area, the company has a number of independent intellectual property rights, and products are mainly used with cars, generators, trains, and ships, etc. Main products: diesel oxidation catalyst (DOC) and diesel particulate filter (DPF), selective catalytic reduction (SCR) device VOC organic compound purification treatment, etc. Company is located in China Shanghai qingpu, the whole factory area including test center, manufacturing center and a world-class technology to provide quality services for global customers. In addition, the company's products are exported to Europe, North America, Japan and South Korea and other places, deeply domestic and foreign customers trust and the island.