The 22nd China Hi-Tech Fair (CHTF) opened yesterday at the Shenzhen Convention and Exhibition Center in Futian District. Themed “Transforming the Future with Technology and Driving Development with Innovation,” the five-day fair will exhibit new-generation technologies, advanced technologies and products in energy saving and environmental protection, optical displays, smart medical treatment, smart city, advanced manufacturing and aviation in a combined exhibition area of over 140,000 square meters in the main venue and two subvenues across the city.