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JIANGSU AISEN SEMICONDUCTOR MATERIAL CO.,LTD. — Investor Relations & Filings

Ticker · 688720 ISIN · CNE100006DT6 Shanghai Stock Exchange Manufacturing
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Filings indexed 364 across all filing types
Latest filing 2025-09-11 Major Shareholding Noti…
Country CN China
Listing Shanghai Stock Exchange 688720

About JIANGSU AISEN SEMICONDUCTOR MATERIAL CO.,LTD.

http://www.asem.cn/index_en.html

Jiangsu Aisen Semiconductor Material Co., Ltd. specializes in the research, development, production, and sales of high-purity electronic chemicals. The company provides a comprehensive suite of materials essential for advanced packaging and microelectronics fabrication, including photoresists, stripping solutions, etching solutions, and specialized electroplating chemicals. Its product range supports critical processes such as Bumping, Wafer Level Chip Scale Packaging (WLCSP), and Fan-Out Wafer Level Packaging (FOWLP). Aisen delivers integrated chemical solutions designed to meet the rigorous purity and performance requirements of high-density interconnects and semiconductor assembly. The company emphasizes technical innovation in chemical formulations to facilitate the miniaturization and performance enhancement of electronic components.

Recent filings

Filing Released Lang Actions
关于持股5%以上股东减持股份至5%以下的权益变动提示性公告
Major Shareholding Notification Classification · 100% confidence The document is a public announcement from Jiangsu Aisen Semiconductor Materials Co., Ltd. regarding a change in shareholding by a shareholder who reduced their holdings from above 5% to below 5%. It details the shareholder's identity, the number of shares held before and after the reduction, the method of reduction (block trades and centralized bidding), and confirms that this change does not affect the controlling shareholder or actual controller. The document references compliance with securities laws and disclosure requirements and includes a simplified equity change report. There are no financial statements or detailed financial performance data. The document is a notification of a major shareholding change, specifically a shareholder crossing below the 5% ownership threshold. Therefore, it fits the category of Major Shareholding Notification (MRQ). The document length is about 3,046 characters, which is consistent with a detailed announcement but not a full financial report.
2025-09-11 Chinese
2025年第一次临时股东大会决议公告
Declaration of Voting Results & Voting Rights Announcements Classification · 100% confidence The document is titled as a resolution announcement from the company's first extraordinary general meeting of shareholders in 2025. It details the meeting date, attendance, voting results on various proposals including amendments to company bylaws, election of directors, and other corporate governance matters. The document includes detailed voting statistics and legal witness statements confirming the validity of the meeting and voting process. There is no financial data, earnings information, or report publication mentioned. The content is focused on the official announcement of voting results from a shareholders' meeting, which fits the category of Declaration of Voting Results & Voting Rights Announcements (DVA). The document length is about 4517 characters, which is sufficient for a full voting results announcement rather than a brief notice or a report publication announcement.
2025-09-08 Chinese
上海市方达律师事务所关于江苏艾森半导体材料股份有限公司2025年第一次临时股东大会的法律意见书
Regulatory Filings Classification · 95% confidence The document is a legal opinion letter from a law firm regarding the convening, procedures, voting, and results of a company's 2025 first extraordinary general meeting (EGM). It details the legality and validity of the meeting's call, participants, voting procedures, and outcomes. It does not contain financial statements or performance data, nor is it a report or announcement of financial results. It is not a proxy solicitation or voting results announcement but a legal opinion on the meeting's compliance with laws and company bylaws. Therefore, it fits best under Regulatory Filings (RNS) as a legal compliance document related to corporate governance and shareholder meetings but not a direct governance report or voting result announcement.
2025-09-08 Chinese
关于变更公司法定代表人的公告
Board/Management Information Classification · 100% confidence The document is an announcement regarding the change of the company's legal representative, including details about the new representative's background and confirmation of the board's decision. It does not contain financial data, audit information, or report content. It is a management-related announcement about a change in senior management position, specifically the legal representative, which is a key management role. Therefore, it fits the category of Board/Management Information (MANG). The document length is short and focused on management change, not a report or financial disclosure.
2025-09-08 Chinese
关于持股5%以上股东权益变动触及1%刻度的提示性公告
Major Shareholding Notification Classification · 100% confidence The document is a public announcement from Jiangsu Aisen Semiconductor Materials Co., Ltd. regarding a change in shareholding by a shareholder holding more than 5% of the company's shares. It details the reduction in shareholding percentage by Ningbo Ailong Venture Capital Partnership and its related party, including specific share counts and percentages before and after the change. The document references compliance with securities laws and disclosure obligations but does not contain financial statements or detailed financial analysis. It is a notification of a major shareholding change crossing a 1% threshold, which fits the definition of a Major Shareholding Notification (MRQ). The document length is short and focused solely on shareholding changes, not a full report or announcement of a report publication.
2025-09-08 Chinese
华泰联合证券有限责任公司关于江苏艾森半导体材料股份有限公司2025年半年度持续督导跟踪报告
Interim / Quarterly Report Classification · 95% confidence The document is titled as a "2025年半年度持续督导跟踪报告" (2025 Half-Year Continuous Supervision Follow-up Report) issued by the sponsor 华泰联合证券有限责任公司 regarding 江苏艾森半导体材料股份有限公司. It contains detailed financial data for the first half of 2025, including revenue, net profit, cash flow, and R&D expenses, as well as discussion of risks, business progress, and use of raised funds. The document is comprehensive and includes substantive financial data and analysis for a period shorter than a full fiscal year (half-year). It is not merely an announcement or a certification but a detailed report on the company's half-year performance and ongoing supervision by the sponsor. Therefore, it fits the definition of an Interim / Quarterly Report (IR). H1 2025
2025-09-02 Chinese

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