協同通信集團有限公司 Synertone Communication Corporation (Incorporated in the Cayman Islands with limited liability) （於開曼群島註冊成立之有限公司） (Stock Code: 1613) （股份代號：1613） NOTIFICATION LETTER通知信函 Dear Non-registered Holder(s) (Note 1) , Synertone Communication Corporation (the "Company") – Notification of publication of Circular, Notice of 2025 Annual General Meeting and Proxy Form (the "Current Corporate Communication") The English and Chinese versions of the Company's Current Corporate Communications are available on the ...