1. Key Laboratory of Coupling Process and Effect of Natural Resources Elements, Beijing, China
2. Urumqi Natural Resources Comprehensive Survey Center of China Geological Survey, Urumqi, China
3. Xi’an Center of Mineral Resources Survey of China Geological Survey, Shaanxi, China
4. Xining Natural Resources Comprehensive Survey Center of China Geological Survey, Xining, China
5. Natural Resources Bureau of Chahar Right Wing Front Banner, Ulanqab, China
6. Ulanchab Hengxingda Surveying & Mapping Co, Ulanqab, China