JAKARTA, June 4, 2016 (Xinhua) -- Chai Biao (front) and Hong Wei of China compete during the men's double semifinal match against Mads Conrad Petersen and Mads Pieler Kolding of Denmark at the BCA Indonesia Open 2016 in Jakarta, Indonesia, June 4, 2016. Chai Biao and Hong Wei won 2-1. (Xinhua/Agung Kuncahya B.)