1, Tian Jian Group Tian Jian Group is the core enterprise of Shenzhen State-owned listed company and Shenzhen Special Economic Zone Construction Engineering Group Co., Ltd., 1983, which was founded in 1993 by the 302nd Regiment of China People's Liberation Army Infrastructure Engineering Corps.
2. Jian 'an Group was established with the approval of Bozhou Municipal Government in 2002, and it is a wholly state-owned company directly under Bozhou Municipal Government.