Chairman of China Tower Tong Jilu, chairman of China Unicom Wang Xiaochu, vice minister of industry and information technology Chen Zhaoxiong, chairman of China Telecom Ke Ruiwen and chairman of China Mobile Yang Jie(from L to R) attend the launch ceremony of China's commercial 5G applications in Beijing, capital of China, Oct. 31, 2019. Chinese major telecom operators announced Thursday the launch of commercial 5G applications during the opening ceremony of PT Expo China 2019 in Beijing. (Xinhua/Shen Bohan)