Henan Huanghe Whirlwind Co., Ltd — Investor Relations & Filings
About Henan Huanghe Whirlwind Co., Ltd
Henan Huanghe Whirlwind Co., Ltd. is a major manufacturer specializing in the development and production of superhard materials. The company’s core product line includes synthetic diamond powder, monocrystalline diamonds, and polycrystalline diamond (PCD) composites. It also produces cubic boron nitride (CBN) and various diamond-based tools designed for cutting, grinding, and drilling applications in sectors such as construction, stone processing, and precision engineering. Leveraging high-pressure high-temperature (HPHT) synthesis technology, the firm has expanded its capabilities to include the production of gem-quality lab-grown diamonds. The company maintains an integrated supply chain, focusing on technical innovation and the delivery of high-performance materials for industrial and consumer markets worldwide.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| 2025年度董事会审计委员会履职报告 | 2026-04-22 | Chinese | |
| 2025年内部控制评价报告 | 2026-04-22 | Chinese | |
| 2025年度独立董事述职报告（张文明） | 2026-04-22 | Chinese | |
| 2025年年度财务决算报告 | 2026-04-22 | Chinese | |
| 2025年年度报告全文 | 2026-04-22 | Chinese | |
| 2025年度独立董事述职报告（杨波） | 2026-04-22 | Chinese |
| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2026
15 filings
| |||||
| 40463730 | 2025年度董事会审计委员会履职报告 | 2026-04-22 | Chinese | ||
| 40463729 | 2025年内部控制评价报告 | 2026-04-22 | Chinese | ||
| 40463727 | 2025年度独立董事述职报告（张文明） | 2026-04-22 | Chinese | ||
| 40463726 | 2025年年度财务决算报告 | 2026-04-22 | Chinese | ||
| 40463724 | 2025年年度报告全文 | 2026-04-22 | Chinese | ||
| 40463721 | 2025年度独立董事述职报告（杨波） | 2026-04-22 | Chinese | ||
| 40463719 | 河南黄河旋风股份有限公司董事会关于独立董事独立性自查情况的专项意见 | 2026-04-22 | Chinese | ||
| 40463717 | 关于持股5%以上股东及其一致行动人股份被轮候冻结的公告 | 2026-04-10 | Chinese | ||
| 40463715 | 河南黄河旋风股份有限公司股票交易异常波动公告 | 2026-03-11 | Chinese | ||
| 40463710 | 关于控股股东增持股份结果公告 | 2026-03-05 | Chinese | ||
| 40463697 | 河南黄河旋风股份有限公司股票交易异常波动公告 | 2026-02-04 | Chinese | ||
| 40463696 | 2026年第一次临时股东会决议公告 | 2026-01-26 | Chinese | ||
| 40463695 | 河南世纪通律师事务所关于河南黄河旋风股份有限公司2026年第一次临时股东会的法律意见书 | 2026-01-26 | Chinese | ||
| 40463692 | 河南黄河旋风股份有限公司2026年第一次临时股东会会议资料 | 2026-01-16 | Chinese | ||
| 40463688 | 2025年年度业绩预告 | 2026-01-16 | Chinese | ||
Market data
Market data not available
Price history
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Henan Huanghe Whirlwind Co., Ltd via the API
Pull this company's filings, identifiers, and metadata as JSON or Markdown. Authenticate with your API key, then query by company ID, ISIN, or LEI. Full schema documented in the OpenAPI spec.
Endpoints
| GET | /api/companies/56538/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=56538 | Paginated list of all filings (filterable by type, date, language) |
| GET | /api/filings/{id}/ | Single filing — metadata, document URL, processing status |
| GET | /api/filings/{id}/markdown/ | Filing content as Markdown (PDF → text/tables/figures) |
| GET | /api/isins/?company=56538 | All ISINs registered to this company |
| GET | /api/filing-types/ | Reference: every filing-type code + category |
cURL
$ curl https://api.financialreports.eu/api/filings/?company=56538 \ -H "x-api-key: $FR_API_KEY" \ -H "Accept: application/json"
Python
import requests r = requests.get( "https://api.financialreports.eu/api/filings/", params={"company": 56538}, headers={"x-api-key": API_KEY}, ) filings = r.json()["results"]
MCP server
// MCP server URL https://mcp.financialfilings.com/mcp // Once connected, the LLM can query this company directly: "Pull the latest 5 filings for Henan Huanghe Whirlwind Co., Ltd (id: 56538)"
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