On December 17,2021, the signing ceremony of “East China Engineering Science and Technology Co., Ltd. -- University of Science and Technology of China Joint Laboratory for Water Pollution Control” was held at East China Engineering Science and Technology Co., Ltd. Based on the cooperation mode of four-in-one: “Production, Learning, Research and Application”, both parties will make the most of their advantages to build the joint laboratory into an important scientific and technological innovation base in the organization application basic research, gathering of excellent scientific and technological talents, development of high-level academic exchange and implementation of research and development achievement transformation.