The five-day Chain Expo is about to close. This morning (July 20), 102 Chinese and foreign companies and institutions, including Honeywell, Siemens, China Resources Group, and Alibaba, signed the intention to participate in the fourth Chain Expo on the spot with the organizer of the Chain Expo, China International Exhibition Center Group Co., Ltd. The signing companies generally believe that after three years of careful cultivation, the internationalization level of the Chain Expo has been continuously improved, and its influence has continued to increase. It has become a world-renowned international economic and trade event and an international public product shared by the world.