(Incorporated in Cayman Islands with limited liability) （於開曼群島註冊成立之有限公司） （Stock Code 股份代號：646） NOTIFICATION LETTER 通知信函 Dear Registered Shareholder, 11 September 2025 China Environmental Technology Holdings Limited (the "Company") Notification of publication of Interim Report (the "Current Corporate Communication") The English and Chinese versions of the Company's Current Corporate Communications are now available on the Company's website at www.cethl.com/en/Home.aspx and the website of The Stock Exchange o ...