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. Meanwhile, Duowei set domestic and overseas subsidiaries in Shanghai, Xi’an, Guangzhou, Chengdu, Ethiopia, Kazakhstan, Mongolia, Cuba etc. Duowei Green Building Material Technology (Tianjin) Co., Ltd. independently developed and introduced a variety of global leading high-end intelligent equipment. It is now one of the most advanced manufacturing bases in China in terms of intelligence level, product technology level, and environmental protection technology with the largest industrial scale. Duowei Union Group has the annual capacity of 200 thousand tons high-end steel structure, 6 million m2 metal sandwich panels for energy conservation buildings, 3 million m2 steel truss deck and 4 million m2 construction area, and its products are on sale to over 70 countries and regions . Duowei Union Group is national prefabricated building base and has been approved with Grade A qualification of general contractor of housing construction, Grade A qualification of design of construction industry, Grade A qualification of professional steel structure contracting, meanwhile Duowei has been awarded the National High-tech Enterprise, Beijing Municipal Enterprise Technology Center, Top 100 scientific and innovate private enterprises and Top 10 enterprises in building steel structure and metal curtain wall sandwich panel industry. Duowei Union Group is accredited by the American AISC and FM, Europe CE and the Russia GOST Certification for its steel structure and metal cladding products. Duowei has involved in the compilation of 30 national standards and industrial standards and possesses 200 national authorized intellectual property rights. Over the years, Duowei Union Group has successfully served well-known enterprises such as BMW, Samsung Electronics, Huawei and CRRC, and has participated in major projects such as the National Large Rocket, the National Large Aircraft, the APEC Conference Center and the Beijing SubCenter. Led by the national “the Belt and Road ” strategy, Duowei has undertaken projects overseas such as the National Industrial Park in Ethiopia, Airport Terminal in Guyana, New Tricolour project in Venezuela, Siemens high-voltage transmission substation in Kenya, Unilever factory in Cuba and food factory in Israel etc. Duowei Union Group is dedicated in eco-friendly building steel structure industry, and continuously creating value for clients, and will always focusing on creating the most valuable steel structure construction system, and strives to be the well-respected industry leader.