The 12th Superconducting Materials and Mechanisms Conference (M2S-2018) will be held in Beijing from August 19th to 24th. This is a grand event in the field of basic research and application of superconducting materials, held every three years. Scientists and research teams in the superconducting field will come to participate in this conference. This conference is the second time held in China after 21 years since the successful fourth M2S conference was held in Beijing in 1997. Hefei Kejing showcased a large number of independently developed products at the exhibition. We welcome your attention.