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SUZHOU NANOMICRO TECHNOLOGY CO., LTD — Investor Relations & Filings

Ticker · 688690 ISIN · CNE100005105 LEI · 300300Q08I9SJFQCCR38 Shanghai Stock Exchange Manufacturing
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Filings indexed 721 across all filing types
Latest filing 2025-12-15 Regulatory Filings
Country CN China
Listing Shanghai Stock Exchange 688690

About SUZHOU NANOMICRO TECHNOLOGY CO., LTD

http://www.nanomicro.com/

Suzhou Nanomicro Technology Co., Ltd. specializes in the research, development, and large-scale manufacturing of high-performance microspheres and chromatography media. The company provides a comprehensive portfolio of separation and purification materials, including monodisperse silica-based and polymer-based resins, magnetic beads, and analytical columns. These products are engineered with precise control over particle size, pore structure, and surface chemistry to meet the rigorous demands of the biopharmaceutical, pharmaceutical, and diagnostic industries. Nanomicro's core technologies support critical processes such as protein purification, small molecule separation, and sample preparation. Additionally, the company develops specialized microspheres for applications in flat panel displays and environmental monitoring, leveraging its expertise in material science to deliver high-resolution separation solutions and advanced functional materials.

Recent filings

Filing Released Lang Actions
苏州纳微科技股份有限公司关于股东无偿捐赠部分公司股份的公告
Regulatory Filings Classification · 95% confidence The document is an official announcement from Suzhou Nanwei Technology Co., Ltd. regarding a shareholder's donation of company shares to an educational foundation. It details the donation agreement, the parties involved, shareholding changes before and after the donation, and confirms that the donation will not affect control or governance of the company. The document is a formal disclosure of a share donation event, which is a change in share ownership but not a typical major shareholding notification crossing thresholds. It is not a financial report, earnings release, or management report. It is also not a proxy, voting result, or capital change announcement like a new share issue or buyback. The content fits best under a Regulatory Filing (RNS) as a general regulatory announcement about share donation and related compliance disclosures. The document length is under 5,000 characters and is a standalone announcement, not a report publication or certification. Therefore, the classification is Regulatory Filings (RNS) with high confidence.
2025-12-15 Chinese
苏州纳微科技股份有限公司关于召开2025年第二次临时股东会的通知
Proxy Solicitation & Information Statement Classification · 95% confidence The document is a notice about convening the 2025 second extraordinary general meeting of shareholders (临时股东会) for Suzhou Nanowei Technology Co., Ltd. It details the meeting date, voting methods, agenda items (including election of a director), registration procedures, and proxy authorization. There are no financial statements or financial performance data included. The document is an announcement informing shareholders about the meeting logistics and agenda, not the actual voting results or minutes. This fits the category of Declaration of Voting Results & Voting Rights Announcements (DVA) or Proxy Solicitation & Information Statement (PSI). However, since it is a notice of the meeting and voting procedures rather than solicitation materials or voting results, it aligns best with Proxy Solicitation & Information Statement (PSI). The document length is 3066 characters, which is typical for such notices. Therefore, the classification is PSI with high confidence.
2025-12-10 Chinese
苏州纳微科技股份有限公司关于补选董事的公告
Board/Management Information Classification · 100% confidence The document is an announcement from Suzhou Nawei Technology Co., Ltd. regarding the by-election of a director. It includes details about the nomination, qualifications, and background of the proposed director, Dr. Lu Qun. The content focuses on board composition and governance matters, specifically the appointment of a new board member. There is no financial data, earnings information, or report publication mentioned. This fits the category of Board/Management Information (MANG), which covers announcements of changes in the company's board of directors or senior management.
2025-12-10 Chinese
苏州纳微科技股份有限公司关于股东无偿捐赠部分公司股份的公告
Share Issue/Capital Change Classification · 95% confidence The document is an announcement regarding a shareholder's donation of company shares to a foundation. It details the donation agreement, the parties involved, the number of shares donated, and the impact on shareholding structure. There is no financial data, no report or financial results, and no mention of a meeting or voting results. The document is a formal disclosure of a share donation event by a controlling shareholder, which is a capital change event affecting share ownership but not a new share issuance or buyback. This fits best under the category of Share Issue/Capital Change (SHA), which covers announcements regarding capital changes including share donations or transfers affecting shareholding structure.
2025-11-28 Chinese
苏州纳微科技股份有限公司2025年第一次临时股东大会决议公告
Declaration of Voting Results & Voting Rights Announcements Classification · 95% confidence The document is titled as a resolution announcement for the 2025 first extraordinary general meeting of shareholders of Suzhou Nanwei Technology Co., Ltd. It details the meeting date, attendance, voting results on various proposals including amendments to company bylaws and director remuneration, and includes a lawyer's witness statement confirming the legality and validity of the meeting and voting process. There is no indication that this is a full report or financial statement; rather, it is an official announcement of shareholder voting results from a general meeting. This matches the definition of 'Declaration of Voting Results & Voting Rights Announcements' (DVA). The document length is under 5,000 characters and contains detailed voting results, not just a brief notice or a report publication announcement. Therefore, the correct classification is DVA with high confidence.
2025-11-17 Chinese
北京市中伦（上海）律师事务所关于苏州纳微科技股份有限公司2025年第一次临时股东大会法律意见书
Regulatory Filings Classification · 95% confidence The document is a legal opinion letter from a law firm regarding the convening, procedures, attendance, and voting results of the 2025 first extraordinary general meeting (临时股东大会) of Suzhou Nano Micro Technology Co., Ltd. It details the legality and compliance of the meeting process and voting outcomes. The document does not contain financial statements or management discussion but focuses on the legal validation of the shareholder meeting and its resolutions. It is not a full annual or interim report, earnings release, or management report. It is not a proxy solicitation or voting results announcement per se, but a legal opinion on the shareholder meeting. Given the content and purpose, this fits best under Regulatory Filings (RNS), which covers miscellaneous regulatory announcements and compliance documents that do not fit other categories.
2025-11-17 Chinese

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