Guotai Haitong Securities Co., Ltd.
Regarding
Ningbo Jiangfeng Electronic Materials Co., Ltd.
2025 Annual Issuance of A-Shares to Specific Targets
Listing Sponsorship Letter
Sponsor (Lead Underwriter)
(No. 618, Shangcheng Road, China (Shanghai) Pilot Free Trade Zone)
June 2026
To: Shenzhen Stock Exchange
Guotai Haitong Securities Co., Ltd. (hereinafter referred to as "Guotai Haitong", "Sponsor", or "Sponsorship Institution") has accepted the mandate from Ningbo Jiangfeng Electronic Materials Co., Ltd. (hereinafter referred to as "Jiangfeng Electronics", "Company", or "Issuer") to serve as the sponsor for Jiangfeng Electronics' current issuance of A-shares to specific targets.
Guotai Haitong and its designated sponsorship 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 Registration of Securities Issuance by Listed Companies, the Administrative Measures for Securities Issuance and Listing Sponsorship Business, and other relevant laws, regulations, and rules stipulated by the China Securities Regulatory Commission (CSRC) and the Shenzhen Stock Exchange (SZSE). We have acted with honesty, integrity, and due diligence, strictly following established business rules, industry practice standards, and ethical codes to issue this listing sponsorship letter, and we guarantee the truthfulness, accuracy, and completeness of this document.
Unless otherwise specified, terms used in this listing sponsorship letter have the same meanings as those defined in the Prospectus for the Issuance of Shares to Specific Targets and Listing on the ChiNext Market of Ningbo Jiangfeng Electronic Materials Co., Ltd.
Contents
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Basic Information of the Issuer
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Details of the Issuer's Current Issuance
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Sponsorship Representatives, Project Coordinator, and Other Project Team Members
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Statement on Whether the Sponsorship Institution Has Any Conflicts of Interest
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Commitments of the Sponsor
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Decision-Making Procedures for the Current Securities Issuance
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Compliance of the Issuer's Current Issuance of Shares to Specific Targets
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Work Arrangements During the Continuous Supervision Period
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Recommendation Conclusion of the Sponsorship Institution Regarding the Current Stock Listing
(1) Basic Information
Chinese Name: 宁波江丰电子材料股份有限公司
English Name: Konfoong Materials International Co., Ltd.
Date of Incorporation: April 14, 2005
Legal Representative: Yao Shun
Registered Capital: 265.320683 million RMB
A-Share Listing Venue: Shenzhen Stock Exchange
A-Share Stock Abbreviation: Jiangfeng Electronics
A-Share Stock Code: 300666
Domicile: Anshan Road, Mingbang Technology Industrial Park, Economic Development Zone, Yuyao City, Zhejiang Province
Office Address: Anshan Road, Mingbang Technology Industrial Park, Economic Development Zone, Yuyao City, Zhejiang Province
Postal Code: 315400
Contact Phone: 0574-58122405
Company Fax: 0574-58122400
Business Scope: General items: R&D of electronic special materials; manufacturing of electronic special materials; sales of electronic special materials; manufacturing of electronic components; retail of electronic components; manufacturing of electronic special equipment; sales of electronic special equipment; processing of non-ferrous metal rolling; smelting of common non-ferrous metals; casting of non-ferrous metals; manufacturing of metal materials; R&D of new material technology; software development; information system integration services; intelligent control system integration; IoT application services; IoT technology services; basic resources and technology platforms for artificial intelligence (except for items subject to approval according to law, business activities are carried out independently with the business license). Licensed items: Inspection and testing services; technology import and export; import and export agency; import and export of goods (for items subject to approval according to law, business activities can only be carried out after approval by relevant departments; specific business items are subject to the approval results).
(2) Main Business
The company focuses on the R&D, production, and sales of ultra-high purity metal sputtering targets and semiconductor precision components.
[Chart: Company product application areas]