1. GRINM Resources and Environment Tech. Co. Ltd., Beijing 101407, China
2. National Engineering Research Center for Environment-Friendly Metallurgy in Producing Premium Non-Ferrous Metals, Beijing 101407, China
3. China GRINM Group. Co. Ltd., Beijing 100088, China
4. Beijing Engineering Research Center of Strategic Nonferrous Metals Green Manufacturing Technology, Beijing 100088, China