/Announcement on Voluntary Disclosure of Obtaining Relevant Certifications for the Company's Products
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Announcement on Voluntary Disclosure of Obtaining Relevant Certifications for the Company's Products

Shanghai Stock Exchange
2026/07/21

Securities code: 688317 Securities abbreviation: Zhijiang Biotechnology Announcement number: 2026-035

Shanghai Zhijiang Biotechnology Co., Ltd.

Announcement on Voluntary Disclosure of the Company's Products Obtaining Relevant Certifications

The company's board of directors and all directors guarantee that the announcement does not contain any false records, misleading statements or major omissions, and assume legal responsibility for the authenticity, accuracy and completeness of its contents in accordance with the law.

Two products of Shanghai Zhijiang Biotechnology Co., Ltd. (hereinafter referred to as the "Company") have recently obtained relevant certifications. The details are now announced as follows:

1. Relevant certification status

Product name Certification agency Certificate number Application field Validity period

HBV Quantitative Real Time

PCR Kit Vietnam Health 2601983ĐKLH/H Hepatitis B Disease

Long-term hepatitis B virus nucleic acid detection kit part TTB-ĐKKD virus nucleic acid detection

(fluorescence PCR method)

High-Risk Human

Papillomavirus (HPV) and

Genotyping 16 & 18

High-risk human milk

Diagnostic Kit (PCR- Vietnam Health 2602438ĐKLH/H

Head tumor virus core Long-term Fluorescence) Department TTB-ĐKKD

Acid detection

High-risk human papillomavirus (HPV)

Nucleic acid detection and 16&18 typing kit

(fluorescence PCR method)

2. Product details

Use Company Name Product Name Intended Use

scope

HBV Quantitative Real is used to detect hepatitis B in human serum or plasma. Zhijiang Sheng, Shanghai, Vietnam

Time PCR Kit Hepatitis B Virus, and Hepatitis B Virus

Hepatitis B virus nucleic acid detection test (HBV) DNA for in vitro fluorescence PCR quantification Ke Yue Co., Ltd.

Kit (Fluorescent PCR method) Test South Certified National High-Risk Human For use on female cervical exfoliated cells and male

Papillomavirus (HPV) Human papillomavirus in genital secretions

Vietnam and Genotyping 16 & 18 (Human Papillomavirus, HPV)

and recognized Shanghai Jiangsheng Diagnostic Kit (PCR-type 16, type 18, type 31, type 33, type 35

Fluorescence) type, type 39, type 45, type 51, type 52,

Nanjing Co., Ltd. High-risk human papillomavirus type 56, type 58, type 59, type 66, type 68

Certified (HPV) nucleic acid detection and 14 types of specific nucleic acid tablets for types 16&18

National typing kit (fluorescent PCR segment for qualitative detection of fluorescent PCR, and

Method) Current HPV type 16 and 18 typing testing.

3. Impact on the company

After the company's above-mentioned products are certified, they can be sold in Vietnam and countries that recognize Vietnam certification, which further enhances the company's international competitiveness and plays a positive role in the company's expansion of overseas sales product categories and international business expansion.

4. Risk warning

  1. Product competition risks

In addition to the company's products obtaining relevant certifications, similar products from other companies are also supplied to the market, and the company's products may face market competition risks.

  1. Uncertain risks in the impact on profits

Affected by various factors such as market competition, the company's product competitiveness and channel capabilities, and customer recognition, the sales and profit contribution of the above products are highly uncertain. There is uncertainty about the impact of the market revenue of the above products on the company's overall revenue.

Investors are kindly requested to pay attention to investment risks.

Announcement is hereby made.

Board of Directors of Shanghai Zhijiang Biotechnology Co., Ltd. July 21, 2026