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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 1,741 across all filing types
Latest filing 2025-10-22 Governance Information
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
战略委员会工作细则
Governance Information Classification · 100% confidence The document is titled '董事会战略委员会工作细则' which translates to 'Board Strategic Committee Working Rules'. It details the establishment, composition, responsibilities, decision-making procedures, meeting rules, and confidentiality obligations of the Board's Strategic Committee. It references company governance, legal compliance, and internal board committee operations. There is no financial data, no mention of financial results, no shareholder voting results, no capital changes, no legal proceedings, no earnings or annual report content. The document is a governance-related internal rules document about board committee structure and function. Therefore, it fits best under Governance Information (CGR). The document length is 3152 characters, which is consistent with a detailed governance policy document rather than a brief announcement or a full annual report.
2025-10-22 Chinese
子公司管理制度
Governance Information Classification · 95% confidence The document is titled '子公司管理制度' which translates to 'Subsidiary Management System'. It outlines detailed internal policies and procedures for managing subsidiaries, including governance, financial management, investment management, internal audit supervision, information disclosure, and reporting obligations. The content is focused on corporate governance, control mechanisms, and operational guidelines rather than financial results or regulatory filings. There is no indication that this is an annual report, audit report, earnings release, or any other financial statement. It is a governance-related document detailing internal rules and management practices for subsidiaries. Therefore, the most appropriate classification is Governance Information (CGR). The document length (6601 characters) and detailed procedural content support this classification with high confidence.
2025-10-22 Chinese
募集资金管理办法
Governance Information Classification · 95% confidence The document is titled '募集资金管理办法' which translates to 'Fundraising Capital Management Measures'. It details the management, storage, usage, supervision, and change of use of funds raised by the company through stock issuance or other equity securities. The content includes regulatory references, internal control procedures, and compliance requirements related to the use of raised capital. It is a detailed internal policy document rather than a financial report, earnings release, or announcement. It does not contain financial statements or results but focuses on governance and management of fundraising capital. Therefore, it fits best under Governance Information (CGR), which covers reports detailing the company's internal rules and governance practices related to capital management.
2025-10-22 Chinese
投资者关系管理制度
Governance Information Classification · 95% confidence The document is titled '投资者关系管理制度' which translates to 'Investor Relations Management System'. It outlines the principles, responsibilities, and procedures for managing investor relations, including communication with investors, information disclosure, and compliance with relevant laws and regulations. The content is a policy or governance document rather than a financial report, earnings release, or announcement. It does not contain financial statements, audit information, or voting results. It is a detailed governance-related document about investor relations practices and internal rules. Therefore, it fits best under the category of Governance Information (CGR). The document length (7418 characters) and detailed procedural content support this classification with high confidence.
2025-10-22 Chinese
投融资管理制度
Governance Information Classification · 95% confidence The document is titled '投融资管理制度' which translates to 'Investment and Financing Management System'. It details internal company policies and procedures regarding investment and financing activities, including decision-making authority, risk management, approval processes, and supervisory responsibilities. It references compliance with laws and stock exchange rules, but it is not a financial report, earnings release, or announcement. It is a governance-related document outlining internal rules and controls for investment and financing. Therefore, it fits best under Governance Information (CGR). The document length is sufficient and contains substantive content, not just an announcement or certification.
2025-10-22 Chinese
年报信息披露重大差错责任追究制度
Governance Information Classification · 95% confidence The document is titled '年报信息披露重大差错责任追究制度' which translates to 'Annual Report Information Disclosure Major Error Accountability System'. It outlines the company's internal policy and procedures for accountability related to major errors in annual report disclosures. It does not contain actual financial data or the annual report itself, but rather a governance and compliance policy related to the annual report process. The document is relatively short (1727 characters) and focuses on responsibility and disciplinary measures for errors in annual report disclosures. This fits best under Governance Information (CGR), as it details internal rules and governance practices related to annual report disclosures, rather than being the annual report itself or an announcement thereof.
2025-10-22 Chinese

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