1. GRINM Resources and Environment Tech. Co., Ltd., Beijing, People’s Republic of China
2. General Research Institute for Nonferrous Metals, Beijing, People’s Republic of China
3. Beijing Engineering Research Center of Strategic Nonferrous Metals Green Manufacturing Technology. Co., Ltd., Beijing, People’s Republic of China
4. National Engineering Research Center for Environment-Friendly Metallurgy in Producing Premium Non-Ferrous Metals, GRINM Group Co., Ltd., Beijing, People’s Republic of China
5. Henan University of Science and Technology, Luoyang, People’s Republic of China
6. School of Metallurgy, Northeastern University, Shenyang, People’s Republic of China