No. Shanghai Song Wei Steel Structure Co., Ltd. was established in 1996, which belongs to China Nanshan Development Group and is located in Shanghai. Is a company mainly engaged in ferrous metal smelting and rolling processing industry. The company is not a central enterprise, because the the State Council of the Central People's Government or the state-owned assets supervision and administration institution is entrusted to exercise the responsibilities of investor. It refers to entrusting the central people's government or the state-owned assets supervision and administration institution to exercise the investor's responsibilities, and the leading group is directly managed by the central government or entrusted by the Central Organization Department and the State Council SASAC.