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TECH SEMICONDUCTORS CO., LTD. — Investor Relations & Filings

Ticker · 300046 ISIN · CNE100000KK3 Shenzhen Stock Exchange Manufacturing
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Filings indexed 1,743 across all filing types
Latest filing 2026-06-09 Major Shareholding Noti…
Country CN China
Listing Shenzhen Stock Exchange 300046

About TECH SEMICONDUCTORS CO., LTD.

https://www.tech-sem.com

Tech Semiconductors Co., Ltd. focuses on the design, development, and production of power semiconductor components and assemblies. The company’s core product line features high-power semiconductor chips, phase-control thyristors, rectifier diodes, and fast-recovery diodes. Additionally, it manufactures a variety of power modules, including thyristor/diode modules and bridge rectifiers, designed for efficient power conversion and regulation. These products are utilized in applications such as industrial motor control, welding equipment, uninterruptible power supplies (UPS), and renewable energy infrastructure. The company emphasizes technical reliability and performance in high-voltage and high-current environments, providing standardized and customized solutions for complex power electronic systems.

Recent filings

Filing Released Lang Actions
关于控股股东股权结构变动的公告
Major Shareholding Notification Classification · 90% confidence The document is a corporate announcement concerning an internal share transfer among the controlling shareholder’s investors, detailing changes in shareholding and voting rights. It does not present financial data, dividend notices, or director trades, nor is it a press release or AGM material. This is a classic notification of a significant change in share ownership structure (controlling shareholder adjustments). According to filing definitions, it best fits Major Shareholding Notification (Code: MRQ).
2026-06-09 Chinese
关于使用部分闲置募集资金进行现金管理的进展公告
Regulatory Filings Classification · 91% confidence The document is a regulatory announcement (公告) by a listed Chinese company about the progress of using idle raised funds (‘闲置募集资金进行现金管理’) to purchase bank wealth management products. It is neither a full financial report nor an internal management discussion or board change notice, and it does not request votes or present AGM materials. This type of compliance disclosure regarding proceeds usage falls under general regulatory filings, making RNS the appropriate classification.
2026-06-04 Chinese
关于使用部分闲置募集资金进行现金管理的进展公告
Capital/Financing Update Classification · 95% confidence The document is an announcement from 湖北台基半导体股份有限公司 regarding the progress of using temporarily idle raised funds for cash management. It details specific financial products purchased with these funds, risk disclosures, risk control measures, and the impact on the company. The document is relatively short (3210 characters) and focuses on the update of cash management activities related to idle raised funds, not on comprehensive financial results or annual reporting. It does not contain full financial statements or detailed financial analysis. It is an update on capital usage and financing activities, specifically about the use of idle raised funds for investment in financial products. Therefore, the document fits best under the category of Capital/Financing Update (CAP).
2026-05-07 Chinese
2025年度非经营性资金占用及其他关联资金往来情况汇总表
Regulatory Filings Classification · 95% confidence The document is a summary table detailing non-operating fund occupation and other related party fund transactions for the year 2025 by 湖北台基半导体股份有限公司. It includes financial figures and accounting details but is very short (1472 characters) and appears to be a specific financial disclosure related to related party transactions rather than a full financial report. It does not contain comprehensive financial statements or management discussion. It is not an announcement of a report but a specific financial disclosure. Such disclosures typically fall under Regulatory Filings (RNS) as they do not fit into other specific categories like Annual Report, Interim Report, or Earnings Release. Therefore, the best classification is Regulatory Filings (RNS).
2026-04-02 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 assessing the independence of the company's independent directors, referencing regulatory requirements and self-assessment forms. It does not contain financial statements, earnings data, or shareholder voting results. It is a governance-related disclosure about board members' independence. Therefore, it fits best under Governance Information (CGR). The document length is short and focused on governance compliance, not an announcement or a full report, so it is not RNS or RPA.
2026-04-02 Chinese
华泰联合证券有限责任公司关于湖北台基半导体股份有限公司部分募投项目延期的核查意见
Regulatory Filings Classification · 95% confidence The document is a detailed verification opinion from Huatai United Securities regarding the delay in certain fundraising investment projects of Hubei Taiji Semiconductor Co., Ltd. It references regulatory guidelines related to fundraising and securities issuance, details the fundraising amount, usage, project delays, reasons for delays, and the board's approval of these delays. The document is a formal verification and supervisory opinion on the delay of fundraising projects, not a financial report, earnings release, or annual/interim report. It is not a simple announcement but a regulatory compliance and supervisory opinion related to fundraising project delays. This fits best under the category of Regulatory Filings (RNS), as it is a compliance-related document that does not fit into other specific categories like Capital/Financing Update (CAP) or Audit Report (AR). The document length is 3222 characters, which is relatively short but contains substantive content rather than just an announcement of a report publication. Therefore, the classification is RNS with high confidence.
2026-04-02 Chinese

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