Tang Liangzhi said that over the past year, Sichuan and Chongqing have fully implemented the spirit of the important speeches of General Secretary Xi Jinping and the decisions and plans of the CPC Central Committee to firmly establish the concept of integrated development, continue to promote infrastructure connectivity, coordination and collaboration on industrial development, co-construction and co-governance of environmental protection, co-construction and sharing of public services, and make every effort to sing "A Tale of Two Cities" and build a good economic circle. Chongqing will take the opportunity of the WCIF 2021 to further strengthen cooperation with Sichuan and other sister provinces (autonomous regions, municipalities) as well as countries along the Belt and Road, accelerate the construction of Chengdu-Chongqing economic circle, and strive to form a new pattern for the development of China's western region in the new era.