Jiangsu Giansun Precision Technology Group Co., Ltd.

Letter of Award

Dear Beijing Dehao International Certified Public Accountants (Special General Partnership):

Following review by our evaluation committee, your firm has been selected as the successful bidder in the procurement process for the 2025 annual audit accounting firm of Jiangsu Jiangshun Precision Technology Group Co., Ltd. The results are hereby notified as follows:

I. Bidding Information

1. Project Name: Selection of Accounting Firm for the 2025 Annual Audit of Jiangsu Jiangshun Precision Technology Group Co., Ltd.

2. Tender Number:／

3. Full name of the successful bidder: Beijing Dehao International Certified Public Accountants (Special General Partnership)

4. Winning bid price: A total of RMB 1,356,800 (including tax), of which RMB 1,038,800 is for financial statement audit fees and RMB 318,000 is for internal control audit fees.

5. Bidding period: November 21, 2025

6. Contact Department: Securities Affairs Department

7. Date of issuance of the notification of award:November 24, 2025

II. Contract Signing

1. The tender documents stipulate that the contract signing period is within 30 days.

2. Place of Contract Signing: No. 19, Yumen West Road, Zhouzhuang Town, Jiangyin City, Wuxi City, Jiangsu Province

3. Contract signing contact number:+86-510-86902939

III. Other matters

1. The successful bidder shall perform the contract in accordance with the time, place and content specified in the bidding documents.

2. The terms and conditions set forth in this notice form part of the agreement between the successful bidder and the tendering entity.

We hope that your firm will fulfill the contract diligently and complete the audit work on time and as required. If you have any questions, please contact us.

Jiangsu Giansun Precision Technology Group Co., Ltd.

November 24, 2025