1. Shanghai Chengdi Xiangjiang Data Technology Co., Ltd. was established on April 26th. 1997. The legal representative is Xie Xiaodong, and the business scope of the company includes: general engineering: environmental protection engineering, municipal engineering, foundation engineering, construction engineering, earthwork engineering and power transmission and transformation engineering.
2. Sinochem Geotechnical Engineering Co., Ltd. is a specialized enterprise engaged in foundation and foundation engineering and geotechnical engineering investigation. It is a leading enterprise in land-saving, energy-saving and green dynamic compaction foundation treatment technology and a high-tech enterprise in Beijing.
3. Beijing Zhongyan Dida Technology Co., Ltd. is a geotechnical engineering technology company, which has a number of core technologies and can provide a package of solutions. The main business is technical research and development and services in the fields of geotechnical engineering integration, underground space development and environmental restoration.