Ms. Qi Lijuan, holds the titles of doctor and senior engineer and is deputy general manager of Chalco Zhengzhou Nonferrous Metals Research Institute Limited. She has long been involved in the research and development of new technologies for the aluminum industry, including new technologies for green and low-carbon production of alumina and efficient use of bauxite. She has participated in over 40 major research and development projects; She has published over 30 papers and authorized 24 invention patents.