On August 19, 2022, the 10th National Hydrometallurgical Engineering Technology Exchange Conference was held in Changsha, Hunan Province. Zhengzhou Tianyi was invited to participate in this meeting and won the honor of "2022 Best Partner in Hydrometallurgy".

Guests attending this meeting are mainly leaders of nonferrous metal industry association, society, academicians of the CAE Member, well-known experts and scholars and enterprise representatives in the field of hydrometallurgy. The meeting discussed the research and development of advanced scientific and technological achievements in hydrometallurgy, engineering applications, summarized advanced experience at home and abroad, and summarized and compared with typical engineering examples to guide the improvement of nonferrous metal metallurgy technology in China.