CHANGZHOU LANGBO SEALING TECHNOLOGIES CO.,LTD. — Investor Relations & Filings
About CHANGZHOU LANGBO SEALING TECHNOLOGIES CO.,LTD.
Changzhou Langbo Sealing Technologies Co., Ltd. specializes in the research, development, and manufacturing of high-performance rubber sealing products. The company's portfolio includes precision O-rings, gaskets, and specialized seals designed for automotive air conditioning compressors, braking systems, and engine components. Utilizing advanced materials such as EPDM, NBR, and fluororubber, the firm provides sealing solutions that meet rigorous technical standards for durability and pressure resistance. Its production processes incorporate automated molding and testing technologies to ensure high precision and consistency. Serving primarily as a supplier to the automotive industry and household appliance manufacturers, the company focuses on technical innovation and quality management systems to support global supply chains and specialized industrial applications.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| 国元证券关于朗博科技使用部分闲置募集资金进行现金管理的核查意见 | 2025-04-28 | Chinese | |
| 2024年年度报告 | 2025-04-28 | Chinese | |
| 2024年度非经营性损益明细表及鉴证报告 | 2025-04-28 | Chinese | |
| 第四届监事会第二次会议决议公告 | 2025-04-28 | Chinese | |
| 关于会计政策变更的公告 | 2025-04-28 | Chinese | |
| 国元证券关于常州朗博密封科技股份有限公司部分募集资金投资项目变更的的核查意见 | 2025-04-28 | Chinese |
| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2025
15 filings
| |||||
| 38598452 | 国元证券关于朗博科技使用部分闲置募集资金进行现金管理的核查意见 | 2025-04-28 | Chinese | ||
| 38598433 | 2024年年度报告 | 2025-04-28 | Chinese | ||
| 38598356 | 2024年度非经营性损益明细表及鉴证报告 | 2025-04-28 | Chinese | ||
| 38598092 | 第四届监事会第二次会议决议公告 | 2025-04-28 | Chinese | ||
| 38598073 | 关于会计政策变更的公告 | 2025-04-28 | Chinese | ||
| 38598039 | 国元证券关于常州朗博密封科技股份有限公司部分募集资金投资项目变更的的核查意见 | 2025-04-28 | Chinese | ||
| 38598034 | 2024年度内部控制审计报告 | 2025-04-28 | Chinese | ||
| 38597747 | 董事会关于2024年度独立董事独立性情况的专项报告 | 2025-04-28 | Chinese | ||
| 38597734 | 关于使用部分闲置募集资金进行现金管理的公告 | 2025-04-28 | Chinese | ||
| 38597724 | 国元证券关于朗博科技2024年度募集资金存放与实际使用情况的专项核查意见 | 2025-04-28 | Chinese | ||
| 38597710 | 2024年度独立董事述职报告（封美霞） | 2025-04-28 | Chinese | ||
| 38597695 | 2024年度独立董事述职报告（严宁荣） | 2025-04-28 | Chinese | ||
| 38597676 | 第四届董事会第二次会议决议公告 | 2025-04-28 | Chinese | ||
| 38597648 | 2024年度审计报告 | 2025-04-28 | Chinese | ||
| 38595917 | 2024年度募集资金存放与使用情况专项报告 | 2025-04-28 | Chinese | ||
Market data
Market data not available
Price history
Peer group · Manufacture of other rubber products
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AIRBOSS OF AMERICA CORP.
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AMEENJI RUBBER LIMITED
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544555 | IN | Manufacturing |
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ANHUI ZHONGDING SEALING PARTS CO.,LTD
Manufactures high-performance rubber and plastic components…
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000887 | CN | Manufacturing |
|
Armacell
Global manufacturer of engineered foams and flexible foam f…
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— | LU | Manufacturing |
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ASAHI RUBBER INC.
Manufactures molded rubber parts for the automotive, medica…
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5162 | JP | Manufacturing |
|
Bando Chemical Industries, Ltd.
Manufacturer of power transmission belts, conveyor belts, a…
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5195 | JP | Manufacturing |
|
Chengdu Shengbang Seals Co., Ltd.
Produces high-performance polymer seals for automotive, aer…
|
301233 | CN | Manufacturing |
|
Cupid Limited
Global manufacturer of WHO-prequalified condoms, lubricants…
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CUPID | IN | Manufacturing |
CHANGZHOU LANGBO SEALING TECHNOLOGIES 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/57754/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=57754 | 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=57754 | 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=57754 \ -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": 57754}, 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 CHANGZHOU LANGBO SEALING TECHNOLOGIES CO.,LTD. (id: 57754)"
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