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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 603 across all filing types
Latest filing 2026-03-19 Regulatory Filings
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
关于合肥新汇成微电子股份有限公司2025年度募集资金存放与实际使用情况鉴证报告
Regulatory Filings
2026-03-19 Chinese
关于变更注册资本、调整董事会人数、修订《公司章程》并办理工商变更登记暨制定、修订部分公司治理制度的公告
Board/Management Information Classification · 95% confidence The document is an announcement from a company regarding changes in registered capital, adjustment of the number of board members, amendments to the company's articles of association (company charter), and updates to corporate governance systems. It includes details about capital increase due to convertible bonds conversion, board size increase, and governance document revisions. The document is a formal announcement of these corporate governance and capital structure changes, not a full report or financial statement. It does not contain financial statements or detailed financial performance data. It is not a report publication announcement since it contains substantive information about governance and capital changes. Therefore, the document fits best under 'Board/Management Information' (MANG) as it announces changes in the board and governance structure.
2026-03-19 Chinese
关于2025年度计提减值准备的公告
Regulatory Filings Classification · 95% confidence The document is an announcement from Hefei Xinhui Microelectronics Co., Ltd. regarding the impairment provision for the fiscal year 2025. It details the amounts of credit impairment losses and asset impairment losses recognized, referencing compliance with accounting standards and audit confirmation by an accounting firm. The document is relatively short (1454 characters) and focuses on a specific accounting provision rather than presenting a full financial report. It does not contain comprehensive financial statements or detailed analysis typical of an Annual Report (10-K) or Interim Report (IR). Instead, it is a regulatory announcement about impairment provisions, which fits best under Regulatory Filings (RNS) as it does not meet the criteria for other more specific categories.
2026-03-19 Chinese
关于使用部分暂时闲置自有资金进行现金管理的公告
Capital/Financing Update Classification · 95% confidence The document is a public announcement by Hefei Xinhui Microelectronics Co., Ltd. regarding the use of temporarily idle self-owned funds for cash management. It details the purpose, amount, types of financial products involved, risk control measures, and the board's approval process. The document is an announcement of a financing or capital management activity, specifically about cash management of idle funds, rather than a financial report or earnings release. It does not contain financial statements or detailed financial results. The document length is 2662 characters, which is relatively short and consistent with an announcement. Therefore, the most appropriate classification is Capital/Financing Update (CAP).
2026-03-19 Chinese
关于开展外汇套期保值交易的公告
Capital/Financing Update Classification · 95% confidence The document is an announcement by a company regarding its decision to engage in foreign exchange hedging transactions. It details the purpose, amount, risk analysis, risk control measures, and approval procedures related to these hedging activities. The document is relatively short (3286 characters) and does not contain financial statements or detailed financial data. It is a formal disclosure about a financing-related activity (foreign exchange hedging) rather than a full financial report or earnings release. There is no indication that this is a report publication announcement or a certification. The content fits best under Capital/Financing Update (CAP) as it relates to the company's financing risk management activities and capital usage for hedging.
2026-03-19 Chinese
独立董事工作制度（2026年3月修订）
Governance Information Classification · 100% confidence The document is titled '独立董事工作制度' which translates to 'Independent Director Work System'. It is a detailed internal governance document outlining the roles, responsibilities, nomination, election, and operational procedures for independent directors within the company. It references relevant laws, regulations, and stock exchange rules, and includes detailed provisions on governance practices related to independent directors. There are no financial statements, audit opinions, earnings data, or shareholder meeting results. The document is a governance framework or internal rules document rather than a report or announcement. Therefore, it fits best under the category of Governance Information (CGR). The document length (8921 characters) and content confirm it is a full governance policy document, not a brief announcement or certification.
2026-03-19 Chinese

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