1. Faculty of Materials Metallurgy and Chemistry, Jiangxi University of Science and Technology, Ganzhou, People’s Republic of China
2. Mineral Application Institute of Guangdong Province, Shaoguan, People’s Republic of China
3. Shaoguan Smelter, Shaoguan, People’s Republic of China
4. Ganzhou Tengyuan Cobalt New Material Co., Ltd, Ganzhou, People’s Republic of China