1. School of Resources Engineering, Xi′an University of Architecture and Technology, Xi’an, China
2. Wuhan Second Ship Design and Research Institute, Wuhan, China
3. XAUAT Engineering Technology Co., Ltd., Xi’an, China
4. Yan'an Branch of Shaanxi Provincial Land Engineering Construction Group Co., Ltd., Yan'an, China
5. Xi'an Ziwei Real Estate Development Co., Ltd., Xi’an, China