Non-ferrous Metal Resources Recycling Hunan Provincial Key Laboratory: approved for establishment in 2017, focusing on the major needs and key scientific issues and major technical issues in the resource recycling industry in Hunan and the country, focusing on the efficient, clean, and comprehensive urban mineral resources Comprehensive recovery of components and original innovations in basic theory and technology for the preparation of high-value products. At the same time, it systematically integrates the latest achievements in the field of resource recycling technology, promotes and applies them at home and abroad, and promotes scientific and technological progress in resource recycling industries.