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)

Lin Yun-Ju and Cheng I-Ching (front) of Chinese Taipei react during the mixed doubles final match against Wong Chun Ting and Doo Hoi Kem of China's Hong Kong 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/Wang Dongzhen)

Wong Chun Ting (L) and Doo Hoi Kem 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/Wang Dongzhen)

Lin Yun-Ju and Cheng I-Ching (R) of Chinese Taipei react during the awarding ceremony after the mixed doubles final match against Wong Chun Ting and Doo Hoi Kem of China's Hong Kong 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/Wang Dongzhen)

Lin Yun-Ju and Cheng I-Ching (R) of Chinese Taipei react during the awarding ceremony after the mixed doubles final match against Wong Chun Ting and Doo Hoi Kem of China's Hong Kong 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/Wang Dongzhen)

Lin Yun-Ju and Cheng I-Ching (front) of Chinese Taipei compete during the mixed doubles final match against Wong Chun Ting and Doo Hoi Kem of China's Hong Kong 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)

Lin Yun-Ju (L) and Cheng I-Ching of Chinese Taipei compete during the mixed doubles final match against Wong Chun Ting and Doo Hoi Kem of China's Hong Kong 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/Wang Dongzhen)

Lin Yun-Ju and Cheng I-Ching (R) of Chinese Taipei take selfies during the awarding ceremony after the mixed doubles final match against Wong Chun Ting and Doo Hoi Kem of China's Hong Kong 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/Wang Dongzhen)

Cheng I-Ching/ Lin Yun-Ju of Chinese Taipei and Doo Hoi Kem /Wong Chun Ting of China's Hong Kong (from R to L) pose for photos during the awarding cerenomy after the mixed doubles final match 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/Wang Dongzhen)

Lin Yun-Ju and Cheng I-Ching (R) of Chinese Taipei react during the mixed doubles final match against Wong Chun Ting and Doo Hoi Kem of China's Hong Kong 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)