Independent Directors' Self-Inspection Report on Independence
I, Yin Xundong, as an independent director of Beijing Chengan Technology Co., Ltd. (hereinafter referred to as the "Company"), have diligently performed my duties during my term in 2025, faithfully fulfilling my responsibilities and acting diligently and conscientiously. I meet the independence requirements stipulated by the "Management Measures for Independent Directors of Listed Companies." In accordance with the requirements of laws, regulations, and relevant rules, I hereby report on my self-inspection of independence for 2025 as follows: