Summary: Your attention is drawn to the upcoming Beijing Building, to be held from 19 to 22 March 2023, to obtain updated information on the public number of exhibits and the official’s web, to be displayed and tours for consultation with relevant departments and operations of my Division. The three-year new coronary pneumonia epidemic has had a major impact on the economic environment, and all sectors have undergone serious tests. The exhibition industry, which is characterized by mobility a...