Zhang Xiaolun, chairman of Sinomach, attended the closing ceremony of Brics Business Forum in Brasilia on the afternoon of November 13. During Zhang Xiaolun's attendance at the Brics Business Forum, Guo Weihua, party secretary and Chairman of CUC, accompanied him to attend relevant meetings and gave a detailed report to Zhang on relevant business in South America. Shen Ruihong, deputy general manager of CUC also attended. On the morning of the 15th, the general manager of Overseas Engineering Company of CUC, Li Yanfei, reported to Zhang about overseas projects of CUC in colombia, especially some detail impressive experiences and all the difficulties in the process of G3&G3.2 coal-fired power stations.