On August 28, 2019, "the first sub supplier conference of China Construction Third Engineering Bureau South Company" was held in the conference center of Guangzhou Dongshan Hotel. With the theme of "enhancing mutual trust and win-win cooperation", this sub supplier conference selected 1500 enterprises in its sub supplier library for internal scoring, and selected 133 excellent enterprises and sent invitations to jointly discuss the future industry trend and overall development policy. Secondly, all participants watched the theme film of the conference, "hand in hand with the south, win-win future".