China's head coach Lang Ping (C) attends a training session before the 2019 Volleyball Women's World Cup in Yokohama, Japan, Sept. 12, 2019. (Xinhua/He Canling)

China's head coach Lang Ping (R) and player Zhu Ting attend a training session before the 2019 Volleyball Women's World Cup in Yokohama, Japan, Sept. 12, 2019. (Xinhua/He Canling)

China's Zeng Chunlei attends a training session before the 2019 Volleyball Women's World Cup in Yokohama, Japan, Sept. 12, 2019. (Xinhua/He Canling)

China's Zhu Ting attends a training session before the 2019 Volleyball Women's World Cup in Yokohama, Japan, Sept. 12, 2019. (Xinhua/He Canling)

China's Zhu Ting (C) reacts during a training session before the 2019 Volleyball Women's World Cup in Yokohama, Japan, Sept. 12, 2019. (Xinhua/He Canling)

China's Liu Yanhan attends a training session before the 2019 Volleyball Women's World Cup in Yokohama, Japan, Sept. 12, 2019. (Xinhua/He Canling)