Wong Chun Ting and Doo Hoi Kem (front) of China's Hong Kong competes during the mixed doubles final match against Lin Yun-Ju and Cheng I-Ching of Chinese Taipei at ITTF World Tour Platinum China Open in Shenzhen, south China's Guangdong Province on June 1, 2019. Lin Yun-Ju and Cheng I-Ching won 3-1 and claimed the title. (Xinhua/Chu Yan)