Guotai Junan Securities Co., Ltd. on the Issuance Sponsorship Letter for Zhejiang Jindao Technology Co., Ltd.'s 2026 Convertible Bonds

Statement

This sponsoring institution and the sponsoring representatives have issued this issuance sponsorship letter in accordance with the Company Law of the People's Republic of China (hereinafter referred to as the "Company Law"), the Securities Law of the People's Republic of China (hereinafter referred to as the "Securities Law"), the Administrative Measures for the Sponsorship of Securities Issuance and Listing (hereinafter referred to as the "Sponsorship Management Measures"), the Administrative Measures for the Registration of Securities Issuance by Listed Companies (hereinafter referred to as the "Registration Management Measures"), and the Shenzhen Stock Exchange's Rules for Listing of Stocks on the Growth Enterprise Market (hereinafter referred to as the "Listing Rules"), as well as relevant laws, administrative regulations, and the provisions of the China Securities Regulatory Commission (hereinafter referred to as the "CSRC") and the Shenzhen Stock Exchange. We act honestly and diligently, strictly following the business rules, industry practices, and ethical standards established by law, and guarantee the authenticity, accuracy, and completeness of the documents issued. Unless otherwise specified, the abbreviations or definitions in this issuance sponsorship letter are consistent with those in the "Prospectus for the Issuance of Convertible Bonds by Zhejiang Jindao Technology Co., Ltd. to Unspecified Objects in 2026."

Table of Contents

Section 1: Basic Information on the Securities Issuance

1. Name of the Sponsoring Institution for this Securities Issuance

   • Guotai Junan Securities Co., Ltd. (hereinafter referred to as "Guotai Junan" or "this sponsoring institution").

2. Designated Sponsoring Representatives and Their Professional Experience

   • Mr. Wang Sheng and Ms. Lv Yingyan are designated as the sponsoring representatives for the issuance of convertible bonds by Zhejiang Jindao Technology Co., Ltd. to unspecified objects.
   • Mr. Wang Sheng: Project sponsoring representative, master's degree, has led or participated in projects including: Jindao Technology's GEM IPO, Dekeli's STAR Market IPO, Puyuan Precision's STAR Market IPO, and others. He has maintained a good professional record in compliance with relevant regulations.
   • Ms. Lv Yingyan: Project sponsoring representative, has led or participated in projects including: Puyuan Precision's STAR Market IPO, Dekeli's STAR Market IPO, and others. She has also maintained a good professional record in compliance with relevant regulations.

3. Designated Project Coordinators and Other Project Personnel

   • Mr. Wu Hongyu is designated as the project coordinator for the issuance of convertible bonds by Zhejiang Jindao Technology Co., Ltd. He has a master's degree and has participated in various projects, maintaining a good professional record.
   • Other members of the project team include: Shi Jiahao, Lin Fei.

4. Information on the Issuer

   • As of March 31, 2026, the basic information of the company is as follows:
     • Chinese Name: 浙江金道科技股份有限公司
     • English Name: Zhejiang Jindao Technology Co., Ltd.
     • Registered Capital: 129,738,973 RMB
     • Legal Representative: Jin Yanrong
     • Stock Abbreviation: Jindao Technology
     • Stock Code: 301279
     • Listing Location: Shenzhen Stock Exchange
     • Registered Address: No. 689, Bujin Road, Keqiao District, Shaoxing City, Zhejiang Province
     • Postal Code: 312030
     • Phone Number: 86-575-88262235
     • Fax Number: 86-575-88262235
     • Website: www.sxjindao.com
     • Email: ir@zjjdtech.com
     • Department Responsible for Information Disclosure and Investor Relations: Securities Department, Head: Tang Wei
     • Business Scope: Research, manufacture, and sell: gearboxes, torque converters, automotive parts, and other mechanical components, as well as technical consulting and services; import and export of goods (excluding those prohibited by laws and administrative regulations).

5. Type of Securities Issued

   • The type of securities issued this time is convertible corporate bonds that can be converted into A-shares of the company, which will be listed on the Shenzhen Stock Exchange's Growth Enterprise Market.