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Keysino Separation Technology Inc. — Investor Relations & Filings

Ticker · 300899 ISIN · CNE100004892 Shenzhen Stock Exchange Water supply; sewerage, waste management and remediation activities
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Filings indexed 634 across all filing types
Latest filing 2022-03-14 Major Shareholding Noti…
Country CN China
Listing Shenzhen Stock Exchange 300899

About Keysino Separation Technology Inc.

https://www.keysino.cn

Keysino Separation Technology Inc. specializes in the research, development, and application of advanced membrane separation technologies. The company provides comprehensive solutions for industrial fluid treatment, process optimization, and environmental protection. Its core product portfolio includes ultrafiltration, nanofiltration, and reverse osmosis systems, alongside specialized ceramic membranes designed for harsh operating environments. Keysino focuses on delivering integrated systems for wastewater treatment, zero liquid discharge (ZLD), and the recovery of valuable resources from industrial waste streams. Serving sectors such as petrochemicals, pharmaceuticals, metallurgy, and food processing, the company emphasizes energy efficiency and sustainable resource management. By leveraging proprietary membrane materials and engineering expertise, Keysino enables industrial clients to improve product purity, reduce operational costs, and meet stringent environmental standards.

Recent filings

Filing Released Lang Actions
关于股东减持比例达到1%的公告
Major Shareholding Notification Classification · 95% confidence The document is an announcement regarding a shareholder's reduction in shareholding exceeding 1%. It details the shareholder's name, shareholding changes, dates, and compliance with relevant securities laws and regulations. The text includes specific data on shares reduced, percentages, and confirms no violation of laws. It is not a financial report, earnings release, or management discussion but a regulatory disclosure about shareholding changes by a major shareholder. This fits the definition of a Major Shareholding Notification (MRQ). The document length is under 5,000 characters and contains detailed shareholding change information, not just a brief notice or report publication announcement.
2022-03-14 Chinese
关于股东股份减持计划实施进展暨减持时间过半的公告
Major Shareholding Notification Classification · 95% confidence The document is an announcement regarding the progress of a shareholder's stock reduction plan, specifically detailing that the shareholders have not yet implemented their planned share reduction within the specified timeframe. It includes information about the shareholders, their holdings, and compliance with relevant laws and regulations. There is no financial data, earnings information, or detailed report content. The document is a regulatory announcement about shareholding changes and progress on a share reduction plan, which fits best under the category of Major Shareholding Notification (MRQ). The document length is short and it is not a full report but an update on shareholding status.
2022-03-08 Chinese
关于股东股份减持计划实施进展暨减持时间过半的公告
Transaction in Own Shares Classification · 95% confidence The document is an announcement regarding the progress of a shareholder's stock reduction plan, including details on the number of shares reduced, the timing, and compliance with relevant securities laws and regulations. It reports on the implementation status of a shareholding reduction plan by a specific shareholder, Shenzhen Jiaqiao Fukai Equity Investment Enterprise, including the amount of shares reduced and the remaining shares held. The document does not contain financial statements, earnings data, or detailed financial analysis. It is a regulatory announcement about a shareholder's transaction in their own shares, specifically a reduction in shareholding. Therefore, the document fits best into the category of Transaction in Own Shares (POS). The document length is short (1752 characters), and it is not a report publication announcement or a certification. Hence, the classification is POS with high confidence.
2022-02-09 Chinese
关于股东完成证券非交易过户的公告
Regulatory Filings Classification · 95% confidence The document is an announcement regarding the completion of a non-trading securities transfer by a shareholder, detailing the transfer of shares from one entity to multiple partners. It includes specifics about the share quantities, percentages, and legal compliance statements. There is no financial data, earnings information, or management discussion. The document is a regulatory announcement about shareholding changes but does not indicate a change in control or major shareholding threshold crossing. It is not a full report, earnings release, or management information. It fits best as a Regulatory Filing (RNS) because it is a formal disclosure of a shareholder transaction that does not fit other more specific categories like Major Shareholding Notification (MRQ) or Director's Dealing (DIRS). The document length is short and it is an announcement, not a report itself.
2022-01-27 Chinese
关于副总经理辞任的公告
Board/Management Information Classification · 100% confidence The document is an announcement regarding the resignation of the company's Vice General Manager. It details the resignation, the effective date, and the impact on the company, as well as shareholding information of the resigning executive. There is no financial data, no mention of financial results, no regulatory certifications, or report publications. The content clearly relates to a change in senior management. Therefore, the document fits the category of Board/Management Information (MANG). The document length is short and focused on management change, not a report or announcement of a report.
2022-01-27 Chinese
关于独立董事取得独立董事资格证书的公告
Board/Management Information Classification · 95% confidence The document is a short announcement regarding an independent director obtaining an independent director qualification certificate. It mentions board meetings and shareholder meetings related to the election of the independent director, but it does not contain financial data, audit information, or detailed management discussion. The document is an announcement about a board/management related event, specifically about the qualification of a board member. It is not a full report, nor a regulatory filing or certification. Therefore, it fits best under Board/Management Information (MANG). The document length is short and focused on management changes, not financial or regulatory filings.
2022-01-18 Chinese

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