一心堂：关于更换持续督导保荐代表人的公告

Core Points - The company Yixin Tang announced on October 17 that it received a letter from its sponsor, Dongxing Securities, regarding the replacement of the continuing supervision representative [1] - Dongxing Securities has been the sponsor for the company's public issuance of convertible bonds in 2018, and the continuing supervision period has now expired, but the raised funds have not yet been fully utilized [1] - Due to a work change, the original supervising representative, Mr. Zhou Lei, is unable to continue in his role, prompting Dongxing Securities to appoint Mr. Ma Zhenghong as the new supervising representative effective from October 17, 2025 [1]