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Yantai Zhenghai Bio-Tech Co., Ltd. — Investor Relations & Filings

Ticker · 300653 ISIN · CNE100002NZ1 Shenzhen Stock Exchange Manufacturing
Open in API
Filings indexed 967 across all filing types
Latest filing 2026-02-27 Major Shareholding Noti…
Country CN China
Listing Shenzhen Stock Exchange 300653

About Yantai Zhenghai Bio-Tech Co., Ltd.

https://www.zhbio.com

Yantai Zhenghai Bio-Tech Co., Ltd. specializes in the research, development, production, and sale of regenerative medicine materials. The company focuses on tissue engineering and biomaterials to provide solutions for clinical repair and functional reconstruction. Its core product portfolio includes the Heal-All oral repair membrane, absorbable hard cerebral (spinal) membrane patches, and skin repair membranes. These products are widely utilized in stomatology, neurosurgery, and orthopedics. The company leverages advanced processing technologies to ensure biocompatibility and safety in its medical devices. By integrating research with clinical needs, it develops innovative bone repair materials and other biological scaffolds designed to facilitate natural tissue regeneration.

Recent filings

Filing Released Lang Actions
关于持股5%以上股东减持股份的预披露公告
Major Shareholding Notification Classification · 95% confidence The document is a pre-disclosure announcement regarding a shareholder's plan to reduce their shareholding in the company. It details the shareholder's current holdings, the planned reduction amount, timing, and method, as well as compliance with relevant regulations and risk warnings. The document is titled as a 'pre-disclosure announcement' and does not contain financial statements or results, but rather information about a planned shareholding reduction. This fits the category of a Major Shareholding Notification (MRQ), which covers notifications of changes in significant share ownership levels. The document length is under 5,000 characters and is a standalone announcement, not a report or certification. Therefore, the correct classification is MRQ with high confidence.
2026-02-27 Chinese
关于公司取得医疗器械注册证的公告
Regulatory Filings Classification · 95% confidence The document is a short announcement (1164 characters) about the company obtaining a medical device registration certificate issued by a regulatory authority (国家药品监督管理局). It describes the product details, impact on the company, and risk warnings. There are no financial statements, no detailed financial data, no management discussion of financial results, nor any regulatory filings or certifications. The document is an announcement of a regulatory approval event, not a financial report or management report. It does not fit into categories like Annual Report, Interim Report, Earnings Release, or Management Reports. It is a regulatory announcement about a product registration. Therefore, the best fitting category is Regulatory Filings (RNS), which is the fallback for miscellaneous regulatory announcements that do not fit other categories.
2026-01-09 Chinese
关于公司获得医疗器械注册申请《受理通知书》的公告
Regulatory Filings Classification · 95% confidence The document is a short announcement (1031 characters) from a company about receiving a medical device registration acceptance notice from the National Medical Products Administration. It describes the product, its clinical use, the current approval stage, and potential impacts. There is no financial data, no detailed report, no management discussion, no voting results, no regulatory certification, or other report types. It is an official announcement about a regulatory approval process stage, which fits best under Regulatory Filings (RNS) as a general regulatory announcement that does not fit other specific categories.
2026-01-07 Chinese
关于使用闲置自有资金进行现金管理的进展公告
Capital/Financing Update Classification · 95% confidence The document is titled '现金管理进展公告' which translates to 'Cash Management Progress Announcement'. It details the company's use of idle funds for cash management, including specific financial products, amounts, dates, and expected yields. The document includes tables of financial products purchased, risk disclosures, and impact statements. It is an announcement about the progress of cash management activities rather than a full financial report or earnings release. The document length is 4468 characters, which is relatively short and consistent with an announcement rather than a comprehensive report. There is no indication of quarterly or annual financial statements, audit opinions, or detailed management discussion and analysis. The content focuses on updates about financing activities related to cash management. Therefore, the most appropriate classification is 'Capital/Financing Update' (CAP).
2026-01-05 Chinese
关于控股股东、实际控制人部分股份解除质押的公告
Share Issue/Capital Change Classification · 95% confidence The document is an announcement regarding the release of pledged shares by the controlling shareholder and actual controller of the company. It details the number of shares released from pledge, the proportion of shares involved, and cumulative pledge status. There is no financial data, earnings information, or management discussion. The document is a regulatory announcement about share pledge status changes, which fits the category of Share Issue/Capital Change (SHA) as it relates to changes in share capital status (release of pledged shares). The document length is short and it is not a report or certification, so it is not RPA or RNS. Therefore, the best classification is SHA.
2025-12-16 Chinese
关于签订技术开发合同的公告
Regulatory Filings Classification · 95% confidence The document is an announcement regarding the signing of a technology development contract between the company and a research institute. It details the contract terms, payment schedule, and potential impact on the company. There are no financial statements, quarterly or annual results, or detailed financial analysis included. The document is relatively short (2026 characters) and serves as a disclosure of a corporate event rather than a financial report or detailed management discussion. It does not fit into categories like Annual Report, Interim Report, Earnings Release, or Management Reports. It is a regulatory announcement about a contract signing, which aligns best with the Regulatory Filings (RNS) category as a general corporate disclosure that does not fit other specific categories.
2025-12-15 Chinese

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