CHINA ENVIRONMENTAL TECHNOLOGY AND BIOENERGY HOLDINGS LIMITED 中科生物控股有限公司 (Incorporated in the 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: 1237) N O T I F I C AT I O N L E T T E R 通 知 信 函 Dear non-registered shareholder(s), 30 April 2026 China Environmental Technology and Bioenergy Holdings Limited (the "Company") - Notice of Publication of 2025 Annual Report, AGM Circular and Notice of Annual General Meeting (the "Current Corporate Communications") The Current Corporate Communi ...