1. State Key Laboratory of Complex Nonferrous Metal Resources Clear Utilization
2. National Engineering Laboratory for Vacuum Metallurgy
3. Yunnan Provincial Key Laboratory for Nonferrous Vacuum Metallurgy
4. Kunming University of Science and Technology
5. Kunming 650093
6. Department of Metallurgical Engineering
7. University of Utah
8. Salt Lake City
9. USA
10. College of Material Science & Engineering