[Shangwei New Materials: Core technician Cheng Chao resigned due to personal reasons] On September 2, Shangwei New Materials (688585.SH) announced that the company’s core technical staff Cheng Chao resigned due to personal reasons and has completed the resignation procedures and no longer holds any position in the company. Cheng Chao does not directly or indirectly hold shares in the company, and the ownership of the intellectual property rights formed by his job results belongs to the company and its subsidiaries. There are no disputes or potential disputes involving job results and intellectual property rights. His resignation will not affect the integrity of the company's intellectual property rights, will not have a substantial impact on the company's technology research and development and ongoing operations, and will not affect the continued research and development of the company's core technologies. The company's existing core technical personnel are Cai Chaoyang, Wang Hongrong, and Xiao Hong.