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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 2025-08-21 Governance Information
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
股东会议事规则
Governance Information Classification · 95% confidence The document is titled '股东会议事规则' which translates to 'Rules of Procedure for Shareholders' Meetings' for 江苏艾森半导体材料股份有限公司. It details the procedures, legal basis, and operational rules for convening and conducting shareholders' meetings, including notice requirements, proposal submissions, voting procedures, and legal compliance. It does not contain financial statements, audit opinions, or earnings data. It is a governance document outlining internal rules and practices related to shareholder meetings and corporate governance. Therefore, it fits the category of Governance Information (CGR). The document length (8645 characters) and content confirm it is a full governance rules document, not a brief announcement or a report publication notice.
2025-08-21 Chinese
江苏艾森半导体材料股份有限公司章程（2025年8月）
Governance Information Classification · 100% confidence The document is titled as the Articles of Association (公司章程) of 江苏艾森半导体材料股份有限公司, dated August 2025. It contains detailed provisions on company organization, shareholder rights, board structure, share issuance, capital changes, shareholder meetings, and governance rules. It references relevant laws and regulations such as the Company Law, Securities Law, and Shanghai Stock Exchange rules. The content is a comprehensive governance document outlining internal rules and procedures for the company and its shareholders. It is not a financial report, earnings release, or announcement but a governance framework document. Therefore, the appropriate classification is Governance Information (CGR). The document length is substantial (15,000 characters), indicating it is the full text of the governance document, not a brief announcement or summary.
2025-08-21 Chinese
关于以集中竞价交易方式回购股份的进展公告
Transaction in Own Shares Classification · 100% confidence The document is a progress announcement regarding the company's share repurchase program. It details the number of shares repurchased, the price range, the total amount spent, and compliance with relevant regulations. It does not contain financial statements or earnings data but focuses on the status of the share buyback. The document length is short (1350 characters) and it is an update on the repurchase activity, fitting the description of a Transaction in Own Shares (POS) filing.
2025-08-04 Chinese
关于以集中竞价交易方式回购股份的进展公告
Transaction in Own Shares Classification · 100% confidence The document is an announcement from Jiangsu Aisen Semiconductor Materials Co., Ltd. regarding the progress of its share repurchase program conducted via centralized bidding transactions. It details the repurchase plan, the amount of shares repurchased, the price range, and compliance with relevant regulations. The document is relatively short (1350 characters) and focuses on the update of the share buyback activity rather than a full financial report or other types of filings. This matches the description of a Transaction in Own Shares (POS) filing, which reports on the company's buyback or sale of its own shares.
2025-07-01 Chinese
关于持股5%以上股东及董监高减持股份计划公告
Director's Dealing Classification · 100% confidence The document is a detailed announcement regarding the planned reduction of shareholdings by shareholders holding more than 5% and certain directors and senior management of the company. It includes specifics about the shareholders, the number and percentage of shares to be reduced, the methods of reduction (such as centralized bidding and block trades), the timing of the reduction, and the legal and regulatory compliance related to the share reduction. The document does not contain financial statements, earnings data, or management discussion of financial results. It is focused on the disclosure of insider share transactions by directors and senior management. Therefore, it fits the category of Director's Dealing (DIRS).
2025-06-22 Chinese
关于终止发行股份及支付现金购买资产并募集配套资金事项相关内幕信息知情人买卖股票情况自查报告的公告
Regulatory Filings Classification · 95% confidence The document is an announcement from Jiangsu Aisen Semiconductor Materials Co., Ltd. regarding the termination of a planned transaction involving issuance of shares and cash payment to purchase assets and raise supporting funds. It includes a self-inspection report on insider trading by persons aware of the inside information related to this terminated transaction. The document details the scope of the insider check, the period of the self-inspection, and the conclusion that no insider trading occurred during the period. It is a regulatory announcement about insider trading self-inspection related to a terminated capital transaction, not the transaction itself or a financial report. The document length is short (1305 characters), and it is an announcement rather than a full report. It does not contain financial statements or detailed financial data. Therefore, it fits best under Regulatory Filings (RNS) as a general regulatory announcement that does not fit other categories.
2025-06-11 Chinese

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