3-1 Issuance Sponsorship Letter (Revised Draft)

Changjiang Financing Services Co., Ltd. Regarding Anhui Deli Household Glass Co., Ltd. 2025 Annual Private Placement of Shares Issuance Sponsorship Letter (Revised Draft)

Sponsor (Lead Underwriter) Room 302-1, 302-2, 303-3, No. 128 Beizhangjiabang Road, China (Shanghai) Pilot Free Trade Zone June 2026

Statement

Changjiang Financing Services Co., Ltd. (hereinafter "this Sponsor" or "Changjiang Financing") has been engaged by Anhui Deli Household Glass Co., Ltd. (hereinafter "the Issuer," "Deli Glass," or "the Company") to act as the sponsor for the Company's 2025 private placement of shares and listing on the Main Board of the Shenzhen Stock Exchange (hereinafter "SZSE"). This Issuance Sponsorship Letter is issued in connection with this offering.

This Sponsor and its representatives have acted in accordance with the Company Law of the People's Republic of China, the Securities Law of the People's Republic of China, the Administrative Measures for the Sponsorship of Securities Issuance and Listing, and the Administrative Measures for the Registration of Securities Issuance by Listed Companies. We have conducted due diligence and prudent verification to ensure the truthfulness, accuracy, and completeness of this document.

Unless otherwise specified, terms used in this letter have the same meanings as those in the Prospectus for the 2025 Private Placement of Shares of Anhui Deli Household Glass Co., Ltd.

I. Basic Information on the Securities Issuance

(I) Name of the Sponsor Changjiang Financing Services Co., Ltd.

(II) Sponsor Representatives Responsible for the Recommendation In accordance with the Administrative Measures for the Sponsorship of Securities Issuance and Listing, this Sponsor has issued a Special Authorization Letter for Sponsor Representatives (Attachment), authorizing Chen Jiahong and Yang Guangyuan to serve as the sponsor representatives for Deli Glass's 2025 private placement of shares, responsible for due diligence and continuous supervision.

1. Professional Qualifications of Chen Jiahong Ms. Chen Jiahong, sponsor representative, has presided over or participated in projects including the IPO of Weima Agricultural Machinery, the asset restructuring of Century Huatong and Lianlong, the NEEQ listing of Dinggong Electromechanical, the public offering to unspecified qualified investors of Wantong Hydraulics, and the IPO of Guangxiang Technology. She possesses extensive investment banking experience and has maintained a clean professional record.

2. Professional Qualifications of Yang Guangyuan Mr. Yang Guangyuan, Executive General Manager of Changjiang Financing, sponsor representative, CPA, and lawyer, has presided over or participated in projects including the IPO of Weima Agricultural Machinery, convertible bonds for Kelun Pharmaceutical, private placement for Houpu Shares, and convertible bonds for Runda Medical. He possesses extensive investment banking experience and has maintained a clean professional record.

(III) Project Coordinator and Other Team Members The project coordinator is Wu Kaifeng, and other members include Zhang Chen, Wu Peng, Yang Dawei, Zhi Zhuo, and Liu Yitong.

(IV) Contact Address, Telephone, and Other Communication Methods

(V) Basic Information of the Issuer