The 15th International Conference on new materials and their synthesis (nms-xv), organized by Shenyang University of Technology and co-organized by Nanjing University of technology, was held in SUT. On September 7, the opening ceremony was held in the science hall of our university. President GUO Lianjun attended the meeting and made a speech. More than 200 experts and scholars from more than 30 countries and regions conducted academic exchanges on the green synthesis and performance of new chemical materials and their applications in energy, petrochemical, environment, biomedicine, etc. At the opening ceremony, Prof. Roduff Holze, Representative of IUPAC, Prof. Makoto Shimizu, Representative of Japan, and Prof. WU Yuping from Nanjing University of Technology delivered theirs speeches, respectively.