1. China Railway 19th Bureau No.1 Company and China Railway 19th Bureau Group No.1 Engineering Co., Ltd. were incorporated in Liaoyang Administration for Industry and Commerce on February 4, 2002, and their legal representatives were Li Cheng.
2. The Third Company of China Railway 19th Bureau and the Third Engineering Co., Ltd. of China Railway 19th Bureau Group were incorporated in Shenyang Shenbei New District Market Supervision Administration on February 4, 2002, and their legal representatives were Song Xinhai.
3. China Railway 19th Bureau No.2 Company and China Railway 19th Bureau Group No.2 Engineering Co., Ltd. are national comprehensive first-class construction enterprises.