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CHINA MICRO SEMICON(SHENZHEN) LIMITED — Investor Relations & Filings

Ticker · 688380 ISIN · CNA1000481W0 Shanghai Stock Exchange Manufacturing
Open in API
Filings indexed 393 across all filing types
Latest filing 2026-05-18 Regulatory Filings
Country CN China
Listing Shanghai Stock Exchange 688380

About CHINA MICRO SEMICON(SHENZHEN) LIMITED

https://www.mcu.com.cn/en/

CHINA MICRO SEMICON(SHENZHEN) LIMITED, operating under the brand Cmsemicon, is a fabless semiconductor enterprise specializing in the design and development of mixed-signal integrated circuits and microcontrollers. The company's core product offerings include a broad range of 8-bit and 32-bit MCUs, system-on-chips (SoCs), and power management ICs. These solutions are engineered for applications across smart home appliances, consumer electronics, industrial automation, motor control, and automotive electronics. Cmsemicon emphasizes high-performance, low-power consumption, and high reliability in its chip architectures. In addition to hardware, the company provides comprehensive development tools and software ecosystems to support rapid product deployment. Its technical expertise lies in integrating analog and digital functions to provide optimized, cost-effective solutions for complex electronic systems.

Recent filings

Filing Released Lang Actions
北京盈科（成都）律师事务所关于中微半导体（深圳）股份有限公司差异化分红的法律意见书
Regulatory Filings Classification · 75% confidence The document is a lawyer’s legal opinion letter on the legality of a differentiated dividend scheme (差异化分红) for Zhongwei Semiconductor. It is not the company’s own dividend announcement (DIV) nor an actual annual, interim, or other financial report. It is a compliance/legal disclosure rather than a presentation or report type covered by other codes. It therefore falls under the fallback category for miscellaneous regulatory filings: RNS.
2026-05-18 Chinese
关于对外投资的进展暨交割完成的公告
M&A Activity Classification · 85% confidence The document is an official stock exchange announcement by 中微半导体 (Shenzhen) detailing the completion of an external investment transaction—specifically the acquisition of a 21.0016% stake in 珠海博雅 via share transfer and capital increase. This is a corporate M&A‐style equity investment announcement, not a regular financial report or dividend notice. It falls squarely within the M&A Activity category.
2026-05-13 Chinese
关于自愿披露公司发布新产品的公告
Regulatory Filings Classification · 85% confidence The document is a voluntary corporate announcement disclosing the launch of a new product (32M bit SPI NOR Flash chip). It contains product specifications and risk disclosures, but no financial statements, board changes, dividends, or regulatory certifications. It does not fit into any specialized category (e.g., earnings release, capital update, M&A, etc.), so it defaults to the miscellaneous regulatory announcement category.
2026-05-12 Chinese
关于召开2025年年度业绩说明会的公告
Investor Presentation Classification · 90% confidence The document is an announcement about the scheduling of a 2025 annual performance explanation meeting (业绩说明会) by 中微半导体（深圳）股份有限公司. It mentions the date, time, format (online text interaction), and participants of the meeting. It also states that the 2025 annual report has already been disclosed on the Shanghai Stock Exchange website. The document does not contain actual financial data or detailed financial analysis but serves to inform investors about the upcoming performance explanation meeting. This fits the definition of an Investor Presentation (IP) as it is a detailed presentation for investors focusing on financials, strategy, and market position, specifically an earnings or performance explanation meeting. The document length is short (1305 characters), but it is not merely an announcement of a report publication; it announces a meeting for discussing the annual results. Therefore, the best classification is Investor Presentation (IP).
2026-03-27 Chinese
中信证券股份有限公司关于中微半导体（深圳）股份有限公司2025年度持续督导工作现场检查报告
Audit Report / Information Classification · 95% confidence The document is titled as a "2025年度持续督导工作现场检查报告" which translates to "2025 Annual Continuous Supervision On-site Inspection Report" by the sponsor (中信证券股份有限公司) for the listed company 中微半导体（深圳）股份有限公司. It references regulatory guidelines from the Shanghai Stock Exchange and details the sponsor's on-site inspection of governance, internal controls, information disclosure, independence, related party transactions, fundraising usage, and operational status during the continuous supervision period. The document is a detailed report of the sponsor's supervisory activities and findings rather than a full annual report or audit report. It is not an announcement or a brief summary but a substantive inspection report. This type of document aligns with an Audit Report / Information (AR) category, as it is a standalone report on regulatory compliance, internal controls, and supervisory findings, distinct from the full Annual Report (10-K) or other categories. The document length (2673 characters) is sufficient for a detailed report but not a full annual report. Therefore, the best classification is AR with high confidence.
2026-03-27 Chinese
中信证券股份有限公司关于中微半导体（深圳）股份有限公司持续督导保荐总结报告书
Audit Report / Information Classification · 95% confidence The document is titled as a "持续督导保荐总结报告书" which translates to "Continuous Supervision Sponsorship Summary Report" by CITIC Securities for Zhongwei Semiconductor (Shenzhen) Co., Ltd. It details the continuous supervision period following the company's initial public offering (IPO) on the Shanghai Stock Exchange STAR Market, covering activities such as due diligence, information disclosure supervision, and fundraising usage review. The document includes a summary of the sponsor's work during the continuous supervision period, mentions regulatory communications, and concludes with opinions on compliance and fundraising usage. It is not a full annual or quarterly financial report, nor an earnings release or investor presentation. It is a summary report related to the sponsor's continuous supervision duties post-IPO, which fits the category of an Audit Report / Information (AR) as it involves verification, compliance, and supervisory reporting related to the IPO and ongoing obligations. The document length is 3117 characters, which is substantive and contains detailed supervisory content, not merely an announcement or certification. Therefore, the best classification is AR (Audit Report / Information).
2026-03-27 Chinese

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