1. China Railway Second Hospital Engineering Group Co., Ltd. is a comprehensive railway survey and design and engineering consulting unit in China, and one of the strongest comprehensive railway survey and design units in China.
2. China Railway No.1 Survey and Design Institute Group Co., Ltd. is a leading enterprise in China railway industry, and has successively completed the design of famous railway projects such as Baolan, Xú Zhēng, Xicheng and Cheng Kun.
3. China Railway Design Group Co., Ltd. is one of the comprehensive railway survey, design and engineering consulting units in China. With strong comprehensive strength and technical ability, several well-known railway projects such as Beijing-Tianjin Intercity Railway, the first high-speed railway in China, have been designed.