Zhejiang Zhongnan Construction Group Steel Structure Co., Ltd., a wholly-owned subsidiary of Zhejiang Zhongnan Construction Group Co., Ltd., is one of the first designated steel structure enterprises of the Ministry of Construction and a key backbone enterprise in Hangzhou, Zhejiang Province. The company is located in Hangzhou High-tech Development Zone, next to the Fourth Qianjiang Bridge, and it is about 11 minutes' drive from Hangzhou Railway Station and Xiaoshan International Airport.

the company has advanced light steel, heavy steel, H-beam production lines, pipe trusses, grid frames and color plates in Japan, the United States and China, with an annual production capacity of 61,111 tons. The company has been committed to the design, manufacture and installation of long-span industrial workshops, civil, commercial, multi-storey and high-rise steel structures, special venues for steel structures, pipe trusses and grid frames.

The company cooperated with Tongji University in Shanghai to set up Tongji Zhongnan Building Steel Structure High-tech R&D Center, and the developed and implemented methods of "large-span steel beam sliding method", "small-section box-shaped component fillet welding method" and "large-span arc-shaped box-shaped component manufacturing method" have been declared as provincial-level construction methods; The technology of "unsupported segmental hoisting and high-altitude docking" has been listed as a technological innovation project in Hangzhou; "Manufacturing technology of long-span curved box-shaped components with gradual cross-section" has been declared as a technical innovation project in Hangzhou; The project "Research on Construction Technology of Multi-storey and High-rise Large Steel Structure Building" has been listed as a provincial scientific research and technology promotion project; The research and development of "new super-high and long-span scaffolding" has achieved initial results. Participated in the compilation of vocational skills training textbooks "Electric Welder" and "Technical Specification for Physical and Chemical Testing of Steel and Connections of Building Steel Structures" edited by Zhejiang Steel Structure Association, and published many papers in the magazines of Zhejiang Steel Association and China Steel Association.