Recently, Dongfeng Group and Beijing Machinery Industry Automation Research Limited Company signed a "Strategic Cooperation Agreement", reaching a consensus on the upgrade of the composite collection fluid and coating production line project. According to the strategic cooperation agreement, on the basis of many years of long-term cooperation in the production line of power battery diaphragm between Dongfeng Group and Beijing Machinery Industry Automation Research Limited Company, the two parties have reached a more comprehensive cooperation, fully utilizing their respective resource advantages, jointly overcoming the difficulties and production processes in the composite collection fluid production, improving production efficiency and quality, further reducing production costs, and promoting the development of the composite collection fluid industry.