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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 2020-09-20 Regulatory Filings
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
北京市嘉源律师事务所关于公司首次公开发行股票并在创业板上市之补充法律意见书（三）
Regulatory Filings Classification · 95% confidence The document is a detailed legal opinion letter from a law firm regarding the company's initial public offering (IPO) and listing on the ChiNext board (创业板) in China. It includes extensive legal and compliance checks, shareholder and capital structure information, audit report references, and legal risk evaluations related to the IPO process. The document is titled as a "Supplementary Legal Opinion" and references prior legal opinion reports and audit reports. It is not a financial report like an annual or interim report, nor is it a simple announcement or certification. It is a legal opinion document related to the IPO process, which does not fit into categories like Annual Report, Earnings Release, or Management Reports. It is also not a proxy statement, voting results, or board change announcement. Given the nature of the document as a legal opinion letter related to regulatory compliance and IPO issuance, the best fitting category is Regulatory Filings (RNS), which serves as a fallback for miscellaneous regulatory and compliance documents that do not fit other categories.
2020-09-20 Chinese
北京市嘉源律师事务所关于公司首次公开发行股票并在创业板上市之法律意见书（2019年6月11日）
Capital/Financing Update Classification · 95% confidence The document is a legal opinion letter issued by a law firm regarding Shanghai Kaixin Separation Technology Co., Ltd.'s initial public offering (IPO) and listing on the Shenzhen Stock Exchange's Growth Enterprise Market (创业板). It includes detailed legal analysis and confirmation of the company's qualifications, approvals, and compliance with relevant Chinese laws and regulations for the IPO process. The document references the audit report and internal control report but is itself a legal opinion, not an audit report or financial report. It is a comprehensive legal opinion letter related to the IPO process, which is a type of regulatory filing related to capital markets and financing activities. Therefore, it fits best under the category Capital/Financing Update (CAP). The document length is substantial (15,000 characters), and it is not merely an announcement or certification, so it is not RPA or RNS. Hence, the classification is CAP with high confidence.
2020-09-20 Chinese
关于公司设立以来股本演变情况的说明及其董事,监事,高级管理人员的确认意见
Capital/Financing Update Classification · 95% confidence The document is a detailed explanation of the company's share capital evolution since its establishment, including multiple rounds of capital increases, share transfers, and changes in shareholder structure. It includes audited capital verification reports and asset evaluation reports, as well as legal compliance details related to capital changes. The document is lengthy (15,000 characters) and contains substantive financial and corporate governance information about share capital and shareholder changes. It is not a simple announcement or a brief summary but a comprehensive report on capital structure evolution and related shareholder confirmations. This fits the category of Capital/Financing Update (CAP), as it focuses on fundraising, financing activities, and capital structure changes rather than a full annual report or audit report. There is no indication that this is an annual report, audit report, or a regulatory filing of another type. Therefore, the most appropriate classification is CAP.
2020-09-20 Chinese
全体监事对招股说明书的确认意见
Regulatory Filings Classification · 95% confidence The document is a confirmation opinion from the company's supervisors regarding the accuracy and completeness of the prospectus for the company's initial public offering (IPO). It is a certification statement by the supervisors affirming the truthfulness of the IPO prospectus disclosures. The document is short (595 characters) and does not contain financial statements or detailed financial data. It is not the prospectus itself but a confirmation related to it. This type of document fits best under Regulatory Filings (RNS) as it is a certification and attestation related to a regulatory filing rather than a full report or announcement.
2020-09-20 Chinese

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