CHINA ENVIRONMENTAL TECHNOLOGY HOLDINGS LIMITED 中國環保科技控股有限公司 (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 Non-Registered Holder, 11 September 2025 China Environmental Technology Holdings Limited (the "Company") Notification of publication of the Interim Report (the "Current Corporate Communication") The English and Chinese versions of the Company's Current Corporate Communications (Note ) are available on the Company's website a ...