Wholly owned Heilongjiang Jianlong Road and Bridge Co., Ltd. First Engineering Co., Ltd., Heilongjiang Jianlong Road and Bridge Co., Ltd. Second Engineering Co., Ltd., Heilongjiang Jianlong Road and Bridge Co., Ltd. Third Engineering Co., Ltd., Heilongjiang Jianlong Road and Bridge Co., Ltd. Fourth Engineering Co., Ltd. and Heilongjiang Jianlong Road and Bridge Co., Ltd. Sixth Engineering Co., Ltd.;
Holding Heilongjiang Yiha Highway Engineering Co., Ltd., Heilongjiang Changjie Bridge and Tunnel Engineering Co., Ltd., Heilongjiang Longjie Municipal Rail Transit Engineering Co., Ltd. and Heilongjiang Mickey High-grade Highway Co., Ltd.