On 5 December 2023, the board of directors of Zhejiang Tengy Environmental Technology Co. Ltd. received a resignation letter from Mr. Lan Lei that he will resign as a non-executive Director, with effect from the date on which the proposed appointment of the new non-executive Director to fill the casual vacancy as a result of Mr. Lan 's resignation being approved by the shareholders of the Company at the extraordinary general meeting to be convened by the Company, so as to allow him to devote more time for his personal commitments.