1, four secondary enterprises, namely Tianjin Binhai New Area Central New City Development and Investment Co., Ltd., Tianjin Binhai Xintang Construction and Development Co., Ltd., Tianjin Tianbao Jiajun Investment Co., Ltd. and Tianjin Binhai New Area Xindi Real Estate Company Investment Co., Ltd.
2. There are three wholly-owned enterprises, namely Tianjin Binhai New Area Central New Town Infrastructure Maintenance Co., Ltd. under Tianjin Binhai New Area Central New Town Development and Investment Co., Ltd., Tianjin Binhai Xintang Binrong Real Estate Co., Ltd. under Tianjin Binhai Xintang Construction and Development Co., Ltd. and Tianjin Binhai Xintang Binrui Real Estate Development Co., Ltd..