Dingxin Communication (603421.SH): The company's authorized technology is only used for the independent research and development of MCU chips, and there is no other business cooperation with Pingtouge Company.

Wisdom Financial News App, Dingxin Communication (603421.SH) issued a clarification announcement on September 18, 2025. The company replied on various platforms stating that the statement made by investors about "Pingtouge signing a comprehensive technical licensing agreement with the company" is inaccurate.