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Tongyu Advanced Materials (Guangdong) Co., LTD — Investor Relations & Filings

Ticker · 301630 ISIN · CNE100007309 Shenzhen Stock Exchange Manufacturing
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Filings indexed 91 across all filing types
Latest filing 2026-05-19 Regulatory Filings
Country CN China
Listing Shenzhen Stock Exchange 301630

About Tongyu Advanced Materials (Guangdong) Co., LTD

https://www.tyadmt.com

Tongyu Advanced Materials (Guangdong) Co., LTD specializes in the research, development, and manufacturing of high-performance electronic materials. The company focuses on advanced copper-clad laminates (CCL) and prepregs designed for high-frequency and high-speed applications, particularly within 5G telecommunications infrastructure, automotive electronics, and high-end computing sectors. Its product portfolio includes low-loss and ultra-low-loss materials that ensure signal integrity and thermal stability in complex electronic assemblies. By leveraging advanced resin formulations and precision coating technologies, the company provides critical components for multilayer printed circuit boards (PCBs). Tongyu Advanced Materials emphasizes technological innovation and quality control to meet the rigorous standards of the electronics industry, supporting the transition toward faster data transmission and more efficient power management systems.

Recent filings

Filing Released Lang Actions
关于持股5%以上股东部分股份质押的公告
Regulatory Filings
2026-05-19 Chinese
2026-002-关于为全资子公司提供担保的进展公告
Capital/Financing Update Classification · 95% confidence The document is an announcement regarding the progress of guarantees provided by the company to its wholly-owned subsidiary. It details the guarantee amounts, contracts signed with banks, and financial data of the subsidiary. The document is a formal disclosure of a financing-related update, specifically about guarantees and credit facilities, rather than a full financial report or audit. It does not contain comprehensive financial statements or management discussion but focuses on capital/financing activities related to guarantees. The document length is 3288 characters, which is relatively short and typical for an announcement rather than a full report. Therefore, the most appropriate classification is Capital/Financing Update (CAP).
2026-01-28 Chinese
关于持股5%以上股东部分股份质押的公告
Major Shareholding Notification Classification · 95% confidence The document is a public announcement regarding the pledge of shares by a shareholder holding more than 5% of the company's shares. It details the number of shares pledged, the proportion of shares pledged relative to total holdings and company capital, and confirms no major impact on company governance. The document is a formal disclosure of a shareholder's share pledge, which is a capital-related event but not a financing update or new share issuance. It is not a financial report, management change, or voting result. This fits the category of Major Shareholding Notification (MRQ), which covers notifications of changes in significant share ownership or related actions such as pledges.
2026-01-23 Chinese
兴业证券股份有限公司关于同宇新材料（广东）股份有限公司2025年度定期现场检查报告
Audit Report / Information Classification · 95% confidence The document is titled as a "2025年度定期现场检查报告" which translates to "2025 Annual Regular On-site Inspection Report" conducted by a sponsoring securities company for a listed company. The content details the inspection of corporate governance, internal controls, information disclosure, use of raised funds, and other compliance and operational checks. It includes detailed findings and compliance confirmations rather than just an announcement or summary. The document is about a regulatory on-site inspection report rather than a full annual report or audit report. It is a standalone audit-related report focusing on compliance and internal controls, fitting the definition of an Audit Report / Information (AR). The document length is 4533 characters, which is sufficient to contain substantive content, not just an announcement. Therefore, the best classification is AR with high confidence.
2025-12-22 Chinese
兴业证券股份有限公司关于同宇新材料（广东）股份有限公司2025年持续督导培训情况的报告
Regulatory Filings Classification · 85% confidence The document is a report from a securities company (兴业证券股份有限公司) about a training session conducted for the company 同宇新材料（广东）股份有限公司 in 2025. The content focuses on regulatory training related to listing rules, governance, and compliance updates issued by regulatory bodies such as the China Securities Regulatory Commission and Shenzhen Stock Exchange. The document is relatively short (969 characters) and is a report on a training event rather than a financial report, earnings release, or regulatory filing. It does not contain financial statements, voting results, or management changes. It is a specific report on a compliance training session, which does not fit into categories like Annual Report, Interim Report, or Regulatory Filings. Given the nature of the document as a report on a training session related to regulatory compliance and governance, the closest fitting category is Regulatory Filings (RNS), which serves as a fallback for miscellaneous regulatory-related reports that do not fit other categories.
2025-12-17 Chinese
第二届董事会第六次会议决议公告
Board/Management Information Classification · 95% confidence The document is a formal announcement of the resolutions passed at the company's second board of directors' sixth meeting. It includes details about the meeting date, attendance, and voting results on specific agenda items such as approval of the 2025 third quarter report and internal governance policies. The document does not contain the actual financial report but refers to the third quarter report being disclosed separately on a public information website. The document is short (1026 characters) and serves as a meeting resolution announcement rather than the report itself. Therefore, it fits best under Board/Management Information (MANG), which covers announcements of changes or decisions by the board of directors.
2025-10-28 Chinese

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