Do-Fluoride Chemicals Co., Ltd. in its Extraordinary General Meeting held on 16 January 2020, approved the election of Li Shijiang, Li Yunfeng and Gu Zhengyan as non-independent directors, election of Liang Lijuan, Li Chunyan and Sun Dunsheng as independent directors and election of Chen Xiangju, Gao Yonglin and Tian Feiyan as non-employee supervisors, cumulative voting system applicable.