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Guangzhou Doppler Electronic Technologies Co., Ltd. — Investor Relations & Filings

Ticker · 301528 ISIN · CNE1000068S9 Shenzhen Stock Exchange Manufacturing
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Filings indexed 364 across all filing types
Latest filing 2026-05-13 Regulatory Filings
Country CN China
Listing Shenzhen Stock Exchange 301528

About Guangzhou Doppler Electronic Technologies Co., Ltd.

https://www.cndoppler.cn

Guangzhou Doppler Electronic Technologies Co., Ltd. specializes in the research, development, and manufacturing of advanced ultrasonic non-destructive testing (NDT) equipment and accessories. The company's core product portfolio includes a comprehensive range of ultrasonic transducers, phased array ultrasonic testing (PAUT) systems, and conventional flaw detectors. Doppler is recognized for its expertise in producing high-performance probes, including linear, matrix, and dual-element phased array transducers, as well as specialized TOFD and immersion probes. Its solutions serve critical sectors such as aerospace, power generation, oil and gas, petrochemical, and transportation. By integrating cutting-edge acoustic technology with rigorous quality standards, the company provides both standardized and customized inspection tools designed for material characterization, weld inspection, and structural integrity assessment in demanding industrial environments.

Recent filings

Filing Released Lang Actions
长城证券股份有限公司关于广州多浦乐电子科技股份有限公司2025年度持续督导定期现场检查报告
Regulatory Filings Classification · 78% confidence The document is a continuous supervision on-site inspection report produced by the sponsor (保荐人) for a listed company under Chinese exchange rules. It contains detailed findings on corporate governance, internal control, information disclosure, use of proceeds, etc. It is not an annual or interim financial report, earnings release, capital update, or management presentation. It is also not merely an announcement of another report, nor an audit report by external accountants. It is therefore best classified as a general regulatory compliance filing under “Regulatory Filings” (RNS).
2026-05-13 Chinese
长城证券股份有限公司关于广州多浦乐电子科技股份有限公司2025年度持续督导跟踪报告
Regulatory Filings Classification · 75% confidence The document is a continuous supervision tracking report prepared by the sponsor (Great Wall Securities) for a listed company (Guangzhou Duopule Electronics Technology) covering their 2025 supervisory work. It is neither a standard financial report (e.g., annual, interim), an earnings release, nor a meeting presentation or voting announcement. It is a regulatory compliance report specific to sponsor supervision, which does not fit into any of the specialized categories and thus falls under the general “Regulatory Filings” (RNS) category as a fallback.
2026-05-13 Chinese
上海市锦天城律师事务所关于广州多浦乐电子科技股份有限公司2025年年度股东会的法律意见书
Regulatory Filings Classification · 65% confidence The document is a legal opinion letter (“法律意见书”) from a law firm on the procedural legality of the 2025 Annual General Meeting, including detailed vote counts. It is not the actual annual or interim report, not a proxy solicitation, not a board change notice, nor a direct notice of dividend or financing. There is no category explicitly for legal opinion letters, so under our taxonomy this falls into the fallback “Regulatory Filings” category (RNS) for miscellaneous regulatory submissions that do not fit other specific types.
2026-05-12 Chinese
2025年年度股东会决议
Declaration of Voting Results & Voting Rights Announcements Classification · 95% confidence The document is an official announcement of the 2025 annual general meeting resolutions, detailing the attendance and precise vote counts for each agenda item. This fits the definition of a Declaration of Voting Results & Voting Rights Announcement.
2026-05-12 Chinese
2025年年度审计报告
Audit Report / Information Classification · 100% confidence The document is titled as a "财务报表审计报告" (Financial Statement Audit Report) for Guangzhou Duopule Electronics Technology Co., Ltd. It includes an auditor's opinion, basis for the opinion, key audit matters, management and governance responsibilities, and detailed financial statements such as consolidated balance sheet, profit and loss statement, cash flow statement, and changes in equity. The document is comprehensive, contains actual financial data for the fiscal year ending December 31, 2025, and is signed by certified public accountants. This matches the characteristics of an Audit Report / Information filing, which is a standalone audit report including applied accounting principles and audit results, but not a full annual report. The document is about 15,000 characters, indicating it is the report itself, not just an announcement. Therefore, the correct classification is AR (Audit Report / Information).
2026-04-21 Chinese
2025年年度报告
Annual Report Classification · 100% confidence The document is titled as the "2025年年度报告全文" (2025 Annual Report Full Text) of Guangzhou Doppler Electronic Technologies Co., Ltd. It contains detailed sections typical of an annual report, including company overview, financial data for the full fiscal year 2025, management discussion and analysis, governance, and detailed product and business descriptions. The document length is about 15,000 characters, indicating a full report rather than a brief announcement. It includes audited financial data, management statements, and comprehensive business descriptions, which are characteristic of a full Annual Report (10-K equivalent). There is no indication that this is merely an announcement or a certification. Therefore, the document is classified as an Annual Report (10-K).
2026-04-21 Chinese

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