CITIC Securities Co., Ltd. Listing Sponsorship Letter for the Initial Public Offering of Hangzhou Gold Electronic Equipment Co., Ltd. on the Growth Enterprise Market

1. Statement

CITIC Securities Co., Ltd. (hereinafter referred to as "CITIC Securities," "the Sponsor," or "this Institution") and its sponsoring representatives have issued this listing sponsorship letter in accordance with the Company Law of the People's Republic of China, the Securities Law of the People's Republic of China, and relevant regulations of the China Securities Regulatory Commission and the Shenzhen Stock Exchange, ensuring honesty, diligence, and compliance with established business rules and industry self-regulatory norms. We guarantee that the documents provided are true, accurate, and complete. If any false records, misleading statements, or significant omissions in the documents prepared and issued by the Sponsor for the issuer's IPO cause losses to investors, the Sponsor will compensate investors according to the law. Unless otherwise specified, the abbreviations used in this sponsorship letter have the same meanings as those in the prospectus for the IPO of Hangzhou Gold Electronic Equipment Co., Ltd. on the Growth Enterprise Market.

2. Table of Contents

1. Statement .................................................................................................................. 1
2. Table of Contents ..................................................................................................... 2
3. Basic Information of the Issuer ............................................................................... 3
   1. Basic Information of the Issuer ........................................................................... 3
   2. Main Business of the Issuer ................................................................................ 3
   3. Core Technologies and R&D Level of the Issuer ................................................ 6
   4. Main Operating and Financial Data and Financial Indicators .......................... 23
   5. Major Risks Faced by the Issuer ......................................................................... 24
4. Basic Information of the Securities Issuance ....................................................... 35
   1. Issuance Details .................................................................................................. 35
   2. Sponsoring Representatives, Project Coordinators, and Other Team Members ... 35
   3. Relationship Between the Sponsor and the Issuer .............................................. 36
   4. Internal Review Procedures and Opinions of the Sponsor .................................. 37
5. Commitments of the Sponsor ................................................................................ 39
6. Recommendations of the Sponsor Regarding the Securities Issuance and Listing ... 40
   1. Recommendations .............................................................................................. 40
   2. Decision-Making Procedures for the Issuer's Securities Issuance .................... 40
   3. Sector Positioning of the Issuer ......................................................................... 41
   4. Compliance of the Issuer with Listing Conditions .............................................. 41
7. Arrangements for Continuous Supervision After Listing ....................................... 47

3. Basic Information of the Issuer

1. Basic Information of the Issuer

• Company Name (Chinese): 杭州高特电子设备股份有限公司
• Company Name (English): Hangzhou Gold Electronic Equipment Co., Ltd.
• Registered Capital: 360 million RMB
• Legal Representative: Xu Jianhong
• Date of Establishment: February 16, 1998
• Date of Incorporation as a Joint Stock Company: October 9, 2016
• Address: Room 201, 2nd Floor, Building F, China Electronics HIKVISION Group Co., Ltd., Haichuang Park, 198 Aicheng Street, Wuchang Street, Yuhang District, Hangzhou, Zhejiang Province, 311100
• Phone Number: 0571-58081622
• Fax Number: 0571-58081622
• Website: www.china-gold.com
• Email: investor@china-gold.com
• Department Responsible for Information Disclosure and Investor Relations: Board of Directors Office
• Person in Charge of Information Disclosure and Investor Relations: Wang Ying
• Contact Information for the Department Responsible for Information Disclosure and Investor Relations: 0571-58081622