Duowei Union Group Co.,Ltd. was founded in 1983, with headquarter located in Fengtai Science Park, Zhongguancun Science and Technology Park in Beijing. Its main business is focused on providing integrated service of “Design, R&D, Lean Manufacturing, Construction Management and International Trading” At present, it has formed R&D Center, Marketing Center, and Management Control Center based in Beijing headquarter, manufacturing bases in Tianjin, Nantong, Shenyang, Harbin, and Urumqi.