多氟多：关于控股股东一致行动人部分股份解质押的公告

Group 1 - The core announcement is that the company, Duo Fluoride, has received notification from its controlling shareholder, Mr. Li Shijiang, regarding the pledge of shares by Ms. Li Lingyun, a concerted actor [2] - The total number of shares being pledged amounts to 2.3102 million shares [2]