On the afternoon of May 26th, Yangtze River Delta Regional Cooperation and Development Joint Conference 2021 was held in Wuxi, Jiangsu Province, at which a signing ceremony for the integrated development cooperation of Yangtze River Delta was held. In the meantime, witnessed by Chen Yin, Executive Vice Mayor of Shanghai Municipal Government, Fan Jinlong, Executive Vice Governor of Jiangsu Province, Chen Jinbiao, Executive Vice Governor of Zhejiang Province, and Deng Xiangyang, Executive Vice Governor of Anhui Province, Wu Jincheng, Chairmen of Shanghai Municipal Commission of Economy and Informatization, Xie Zhicheng, Director of Jiangsu Provincial Department of Industry and Information Technology, Xu Xu, Director of Zhejiang Provincial Department of Economy and Information Technology, and Niu Yutao, Director of Anhui Provincial Department of Economy and Information Technology, signed the Cooperation Agreement on Jointly Carrying out the Actions of Supplementing, Consolidating and Reinforcing the Industrial Chain on behalf of the departments of economy and information technology of three provinces and one municipality, which will jointly implement the action of supplementing, consolidating and reinforcing the industrial chain, and actively explore the roadmap of the Yangtze River Delta with a new development pattern.