Chengdu M&S Electronics Technology Co.,Ltd. (688311.SH) announced that on December 29, 2025, the company formally signed a Strategic Cooperation Agreement with Sichuan Energy Investment Development Co., Ltd. (hereinafter referred to as "SICHUAN EN INV"). Aimed at fully integrating the resource advantages of both parties, deepening technological innovation and business collaboration in the power industry, and promoting the substantial implementation of cooperative projects in fields such as power communication, Internet of Things, and data intelligence, both parties reached this strategic cooperation after joint discussion, adhering to the core principles of "voluntariness, fairness, cooperation, innovation, and win-win".