鴻盛昌資源集團有限公司 (Formerly known as WINDMILL Group Limited 海鑫集團有限公司 ) ( 前稱 WINDMILL Group Limited 海鑫集團有限公司 ) (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:1850） NOTIFICATION LETTER 通知信函 Dear Registered Shareholders, HSC Resources Group Limited (the "Company") – Notice of publication of (i) Annual Report 2025 and (ii) Circular relating to General Mandate to Issue and Repurchase Shares, Re-election of Directors, Re-appointment of Auditor and Notice of Annual Genera ...