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UNION SEMICONDUCTOR (HEFEI) CO., LTD. — Investor Relations & Filings

Ticker · 688403 ISIN · CNE100005PP0 Shanghai Stock Exchange Manufacturing
Open in API
Filings indexed 605 across all filing types
Latest filing 2024-04-19 Governance Information
Country CN China
Listing Shanghai Stock Exchange 688403

About UNION SEMICONDUCTOR (HEFEI) CO., LTD.

http://www.unionsemicon.com.cn/

Union Semiconductor (Hefei) Co., Ltd. is an integrated circuit design enterprise specializing in high-performance analog and mixed-signal solutions. The company focuses on the research, development, and distribution of power management integrated circuits (PMICs), including DC-DC converters, linear regulators (LDOs), and battery management systems. Its product portfolio also encompasses signal chain components, interface ICs, and specialized drivers. These products are engineered for applications across consumer electronics, industrial automation, telecommunications, and automotive electronics. By prioritizing technical innovation and high-efficiency design, the company provides reliable semiconductor components characterized by low power consumption and compact form factors, supporting the requirements of advanced electronic systems and power-sensitive applications.

Recent filings

Filing Released Lang Actions
对外担保管理制度（2024年4月修订）
Governance Information Classification · 95% confidence The document is a detailed internal management system for external guarantees by the company, including rules, approval procedures, responsibilities, and disclosure requirements. It is a governance-related document outlining company policies and internal controls rather than a financial report, earnings release, or announcement. There is no indication of financial statements, audit results, or regulatory filings. The content fits best under Governance Information (CGR) as it details the company's internal rules and governance practices regarding external guarantees.
2024-04-19 Chinese
独立董事专门会议工作细则（2024年4月制定）
Governance Information Classification · 95% confidence The document is titled as the "Independent Directors Special Meeting Work Rules" of a company, detailing the rules, responsibilities, procedures, and governance related to independent directors' meetings. It includes sections on general provisions, duties, meeting notifications, voting rules, and confidentiality. There is no financial data, no mention of financial results, no shareholder voting results, no announcements of report publications, or any regulatory filings. The content is focused on governance practices and internal rules regarding independent directors' meetings. Therefore, the document fits best under Governance Information (CGR). The document length is 2092 characters, which is relatively short but contains substantive governance content rather than an announcement or a brief notice.
2024-04-19 Chinese
关于召开2023年年度股东大会的通知
AGM Information Classification · 100% confidence The document is a detailed notice about the convening of the 2023 Annual General Meeting (AGM) of Hefei New Huicheng Microelectronics Co., Ltd., including the date, voting methods, agenda items, and instructions for shareholders. It includes information about the meeting logistics, voting procedures, and proxy forms. The document does not contain the actual annual report, financial statements, or results of the meeting, but rather the announcement and materials related to the AGM itself. Therefore, it fits the category of AGM Information (AGM-R). The document length is sufficient and the content is consistent with an AGM notice rather than a report or voting results announcement.
2024-04-19 Chinese
独立董事蔺智挺2023年度述职报告
Board/Management Information Classification · 95% confidence The document is a detailed annual performance report by an independent director of the company for the year 2023. It includes descriptions of the director's duties, attendance at meetings, communication with auditors and shareholders, review of financial reports, and participation in governance activities. The content focuses on the director's role and activities rather than presenting financial statements or audit results themselves. This type of document is a management or board-related report on director duties and governance rather than a financial report or audit report. It does not fit the categories of Annual Report (10-K), Audit Report (AR), or Management Reports (MDA) which focus on financial results or management discussion. It is also not a simple announcement or certification. The document is best classified as Board/Management Information (MANG) because it reports on the independent director's annual work and governance role within the company.
2024-04-19 Chinese
董事会对独立董事独立性自查情况的专项报告
Governance Information Classification · 95% confidence The document is a special report from the board of directors regarding the independence of the company's independent directors. It discusses the self-assessment and evaluation of the independent directors' independence in accordance with regulatory rules. The content focuses on governance and compliance with independence requirements, without financial data or other report types. This fits the category of Governance Information (CGR), which covers reports detailing the company's internal rules, board structure, and governance practices. The document length is short and specific to board governance matters, not an announcement or a full report, so it is not RNS or RPA.
2024-04-19 Chinese
天健会计师事务所（特殊普通合伙）关于合肥新汇成微电子股份有限公司2023年12月31日的内部控制审计报告
Audit Report / Information Classification · 95% confidence The document is titled '内部控制审计报告' which translates to 'Internal Control Audit Report'. It references auditing standards and the responsibility of the company's board and auditors regarding internal control over financial reporting as of December 31, 2023. The document contains an auditor's opinion on the effectiveness of internal control over financial reporting. It is a standalone audit report focused on internal control, not a full annual report or interim report. The length is short (779 characters), but the content is a full audit opinion on internal controls, not merely an announcement or certification. Therefore, it fits the category of Audit Report / Information (AR).
2024-04-19 Chinese

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