Duowei Union Group Co., Ltd. was founded in 1983 and mainly engages in developing steel structure system for green buildings and metal building enclosure system. Now, we have grown into an integrated services provider of Design, R&D, lean manufacturing, product marketing and engineering management for eco-friendly building. Always being customer-oriented, Duowei has formed a main product system consisting of Metal Cladding System, truss deck system, clean room enclosure system, Building PV system for buildings, and steel structure system. Now, Duowei has three centers respectively specializing in technology research & development, marketing and management & control at its headquarters in Beijing, and four major manufacturing bases in Tianjin, Nantong, Shenyang and Chengdu. Moreover, we offer services to customers in 74 countries and regions across the globe by establishing companies and offices both in China (Shanghai, Xi’an, Guangzhou and Wuhan) and abroad (Mongolia, Singapore, Ethiopia, etc.).