Image: Supplied The 27th China Hi-Tech Fair (CHTF) concluded today at the Shenzhen World Exhibition & Convention Center, attracting over 450,000 professional visitors and displaying more than 10,000 technology projects across 400,000 square meters. Among the exhibitors, Anno Robot , a Shenzhen-based national high-tech enterprise, demonstrated its AI coffee robot , AI ice cream robot, AI bartender robot, and AI bubble tea robot systems in five halls. China Hi-Tech Fair: Histor