CHINA GAS INDUSTRY INVESTMENT HOLDINGS CO. LTD. (Incorporated in the Cayman Islands with members' limited liability) （於開曼群島註冊成立的成員有限公司） （Stock Code 股份代號：1940） NOTIFICATION LETTER 通知信函 – Notice of publication of Circular dated 12 December 2025 relating to Renewal of Continuing Connected Transactions together with notice of Extraordinary General Meeting and Proxy Form (the "Current Corporate Communication") The English and Chinese versions of the Company's Current Corporate Communications are now available on ...