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JOULWATT TECHNOLOGY CO., LTD. — Investor Relations & Filings

Ticker · 688141 ISIN · CNE100005VJ1 Shanghai Stock Exchange Manufacturing
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Filings indexed 513 across all filing types
Latest filing 2026-03-30 Audit Report / Informat…
Country CN China
Listing Shanghai Stock Exchange 688141

About JOULWATT TECHNOLOGY CO., LTD.

https://www.joulwatt.com/

JOULWATT TECHNOLOGY CO., LTD. specializes in the design and development of high-performance analog and mixed-signal integrated circuits. The company provides a comprehensive portfolio of power management solutions, including DC/DC converters, AC/DC controllers, LED drivers, and battery management systems. Its technical expertise extends to signal chain products and motor drivers, focusing on high efficiency, high power density, and reliability. These solutions are utilized across various sectors such as consumer electronics, industrial control, automotive electronics, and telecommunications. By leveraging advanced process technologies and proprietary circuit architectures, the firm delivers integrated components that address complex power requirements and thermal management challenges in modern electronic systems.

Recent filings

Filing Released Lang Actions
2025年度内部控制评价报告
Audit Report / Information Classification · 95% confidence The document is titled as an "Internal Control Evaluation Report" for the year 2025 by the company 杰华特微电子股份有限公司. It discusses the evaluation of the company's internal control effectiveness as of December 31, 2025, including financial and non-financial internal control defects, audit opinions, scope of evaluation, standards for defect recognition, and corrective actions. The content is focused on internal control assessment rather than full financial statements or annual performance. It is a specialized report on internal control evaluation, which aligns with the category of Audit Report / Information (AR), as it is a standalone audit-related report about internal controls and does not constitute a full Annual Report (10-K) or Interim Report (IR). The document length (5110 characters) and detailed internal control content support this classification rather than a brief announcement or a regulatory filing. Therefore, the appropriate classification is AR with high confidence. FY 2025
2026-03-30 Chinese
2025年度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, referencing regulatory guidelines from the China Securities Regulatory Commission and the Shanghai Stock Exchange. It is a compliance and governance-related report focusing on board independence rather than financial data or voting results. The content aligns with governance information about board practices and director independence. The document length is short and it is a standalone report, not an announcement or certification. Therefore, the most appropriate classification is Governance Information (CGR).
2026-03-30 Chinese
关于增加公司2026年度日常关联交易预计的公告
Regulatory Filings Classification · 95% confidence The document is a formal announcement by the company 杰华特微电子股份有限公司 regarding an increase in the estimated amount of daily related-party transactions for the fiscal year 2026. It details the approval process by the board and independent directors, the nature and amounts of the transactions, the related parties involved, and the rationale and impact on the company. The document is an announcement about a corporate governance and operational matter related to related-party transactions, not a financial report or earnings release. It does not contain financial statements or detailed financial analysis but rather informs shareholders and the public about the expected increase in related-party transactions and the approval process. This fits best under Regulatory Filings (RNS) as it is a regulatory announcement that does not fit other specific categories like Annual Report, Interim Report, or Capital Update.
2026-03-30 Chinese
2025Environmental,Social,andGovernance(ESG)Report
Environmental & Social Information Classification · 100% confidence The document is titled '2025 Environmental, Social, and Governance (ESG) Report' and contains detailed sections on governance, social responsibility, environmental performance, and sustainability strategies. It references ESG reporting standards such as the Global Reporting Initiative (GRI) and the Environmental, Social and Governance Reporting Guide under the Hong Kong Stock Exchange Listing Rules. The content includes comprehensive disclosures on ESG governance structure, risk management, and performance indicators for the fiscal year 2025. The document length is substantial (15,000 characters), indicating it is the full report rather than a brief announcement. Therefore, this document fits the category of Environmental & Social Information (ESG) report.
2026-03-30 Chinese
天健会计师事务所（特殊普通合伙）关于公司募集资金年度存放、管理与实际使用情况鉴证报告
Audit Report / Information Classification · 92% confidence The document is a standalone audited assurance (鉴证) report issued by an external accounting firm on the company’s 2025 fundraising deposit, management and usage (“募集资金年度存放、管理与实际使用情况鉴证报告”) along with the accompanying specialized management report. It is not an annual or interim report, nor an announcement, but a standalone audit/assurance report on compliance with fundraising regulations. This fits the “Audit Report / Information (AR)” category. FY 2025
2026-03-30 Chinese
公司独立董事2025年年度述职报告（沈书豪）
Board/Management Information Classification · 95% confidence The document is a detailed annual report by an independent director of a company, covering the director's activities, attendance at meetings, compliance with laws and regulations, communication with shareholders, and oversight of financial and governance matters for the year 2025. It includes information on board meetings, committee participation, audit firm engagement, and remuneration review. The content is focused on management and board-level information rather than financial statements or earnings. It is not a full annual report (10-K) or audit report but rather a management/board report on the independent director's duties and activities. Therefore, the document fits best under the category of Board/Management Information (MANG). The document length is 4426 characters, which is sufficient for a substantive report rather than a brief announcement or certification. Hence, the classification is MANG with high confidence.
2026-03-30 Chinese

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