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HUNAN BOYUN NEW MATERIALS Co.,Ltd. — Investor Relations & Filings

Ticker · 002297 ISIN · CNE100000G03 Shenzhen Stock Exchange Manufacturing
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Filings indexed 1,952 across all filing types
Latest filing 2026-05-18 Board/Management Inform…
Country CN China
Listing Shenzhen Stock Exchange 002297

About HUNAN BOYUN NEW MATERIALS Co.,Ltd.

https://www.hnboyun.com.cn

HUNAN BOYUN NEW MATERIALS Co.,Ltd. specializes in the research, development, and manufacturing of advanced composite materials and powder metallurgy products. The company’s core portfolio includes carbon/carbon (C/C) composite brake materials, high-performance friction materials, and superhard materials such as tungsten carbide. It provides critical components for aviation, aerospace, and automotive applications, notably aircraft braking systems and high-end friction components for heavy-duty vehicles. The company is recognized for its technical expertise in high-temperature resistant materials and wear-resistant alloys, supporting large-scale engineering projects and specialized industrial tools. Its products are engineered for high reliability and performance under extreme thermal and mechanical stress, serving markets in the transportation and precision manufacturing sectors.

Recent filings

Filing Released Lang Actions
第七届董事会第二十八次会议决议公告
Board/Management Information Classification · 90% confidence The document is a board resolution announcement detailing the outcome of a board meeting and specifically the change of the company’s board secretary. This fits the category of Board/Management Information (MANG).
2026-05-18 Chinese
关于变更公司董事会秘书的公告
Board/Management Information Classification · 92% confidence The document is a formal announcement by Hunan Boyun New Materials Co., Ltd. regarding the resignation of the current board secretary and the appointment of a new board secretary (Chen Cai), including biographical details and compliance confirmations. It does not contain financial data or report attachments, but rather details a change in senior management. This matches the “Board/Management Information” category (code MANG).
2026-05-18 Chinese
董事会审计委员会关于计提资产减值准备合理性的说明
Audit Report / Information Classification · 78% confidence The document is a standalone statement issued by the company’s Board Audit Committee explaining the reasonableness of the asset impairment provisioning in accordance with accounting standards and listing rules. It is not an annual or interim report, nor a simple publication notice, but rather a standalone audit-related disclosure covering applied accounting principles. Therefore it best fits the Audit Report / Information category (Code: AR).
2026-04-09 Chinese
2025年年度报告摘要
Annual Report Classification · 95% confidence The document is titled '2025年年度报告摘要' (2025 Annual Report Summary) for 湖南博云新材料股份有限公司. It contains key financial data, business analysis, and shareholder information. While it is a summary, it serves as the primary disclosure of the annual financial results for the company. According to the filing definitions, an Annual Report (10-K) covers yearly performance. In the context of Chinese A-share filings, the 'Annual Report Summary' is the standard format for the official annual financial disclosure. FY 2025
2026-04-09 Chinese
2025年度募集资金存放、管理与使用情况专项报告
Regulatory Filings Classification · 85% confidence The document is a detailed “Special Report on the Deposit, Management and Use of Raised Funds” (募集资金存放、管理与使用情况专项报告) for the 2025 reporting year. It is not an annual or interim financial report, nor an earnings release, nor a board change disclosure. It does not announce a new fundraising or change in capital structure (so not CAP), nor is it merely a publication notice (so not RPA). It is a mandated regulatory disclosure in China on use of proceeds that does not match any other specific category, thus falling into the fallback “Regulatory Filings” category (RNS).
2026-04-09 Chinese
2025年度独立董事述职报告（潘传平）
Governance Information Classification · 80% confidence The document is not a financial report (10-K/IR), not an earnings release (ER), not a management change (MANG), nor a proxy or dividend notice. It is the annual performance and governance report of an independent director, detailing board and committee attendance, supervisory activities, and governance oversight. This aligns with the definition of Governance Information (CGR).
2026-04-09 Chinese

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