During the five-day 21st China Hi-Tech Fair that ended yesterday, a total of 2,077 new products and 701 new technologies like AI chips made their debut, which is 400 more than the number at the 20th edition of the fair. A total of 44 countries and international organizations and 68 overseas delegations attended the fair, reaching a new record, according to the organizers. The fair attracted 576,000 visitors from 108 countries and regions.