建发致新：关于变更保荐代表人的公告

Group 1 - The announcement states that CITIC Securities is the sponsor for the initial public offering (IPO) of Jianfa Zhixin on the Shenzhen Stock Exchange's Growth Enterprise Market [2] - Zhang Lei and Wang Qi were originally appointed as the continuous supervision representatives for the IPO project, but due to Wang Qi's job change, he will no longer be responsible for this role starting February 2026 [2] - CITIC Securities has appointed Shen Ziquan to replace Wang Qi as the continuous supervision representative for the IPO project, ensuring the continuity of supervisory obligations [2]