The 22nd China Hi-Tech Fair kicked off on Wednesday in South China's tech hub Shenzhen. With a total exhibition area of more than 140,000 square meters, this year's CHTF attracted more than 3,300 domestic and overseas exhibitors.

With exhibitions held both online and off, this year's CHTF will display the latest achievements in biomedicine, smart healthcare, online education, new retail and other emerging industries. It will also show new types of businesses empowered by 5G, smart sensing, mobile payment, blockchain and shared manufacturing.