Project Authorization – Shanghai Xinchan Communication Services Co., Ltd.

Dalian Spind Environmental Equipment Co., Ltd. It is according to China A legally established manufacturer whose principal place of manufacture is located in No. 8, Northeast Fourth Street, Dalian Economic Development Zone . Hereby appoints according to China The law was officially enacted, with its principal place of business located at No. 500, Jiangsu Road, Changning District, Shanghai of Shanghai Information Industry and Telecommunications Service Co., Ltd. Acting as our sole lawful agent, we hereby undertake the following valid activities:

(1) On our behalf, handle your matters in China. China Telecom Open‑Type Crossflow Cooling Tower Centralized Procurement Project (2026–2028) The Invitation to Bid for Goods sets forth the requirements pertaining to the goods to be manufactured by us and is binding upon us.

(2) We hereby undertake to comply with the latest “China Telecom Supplier Misconduct Management Rules” (details available in Chapter 6 of the Prequalification Documents). This commitment shall take effect upon the date of signature of this letter, remain in force indefinitely, and shall not be subject to the bid validity period. It shall have independent legal effect and is irrevocable.

(3) As a manufacturer We hereby warrant that the goods we supply will comply with the requirements set forth in the tender documents, that delivery will be made in accordance with the awarded contract, and that we shall assume responsibility for the quality of the products. 。

(4) We hereby grant Shanghai Information Industry and Telecommunications Service Co., Ltd. We are hereby authorized to handle and perform all matters necessary for us to fulfill the aforementioned points, with full power to substitute or revoke such authority. This is hereby confirmed. Shanghai Information Industry and Telecommunications Service Co., Ltd. or its duly authorized agent shall, in accordance therewith, lawfully handle all matters.

Our side on 2026 year 1 month 16 This document is signed on the day of, Shanghai Information Industry and Telecommunications Service Co., Ltd. at 2026 year 1 month 26 We acknowledge receipt of this document, and hereby certify it.