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 |
|---|---|---|---|
| 关于取消监事会并修订《公司章程》及相关制度的公告 | 2025-09-11 | Chinese | |
| 第四届监事会第四次会议决议公告 | 2025-09-11 | Chinese | |
| 信息披露制度（2025年9月修订） | 2025-09-11 | Chinese | |
| 薪酬与考核委员会工作细则（2025年9月修订） | 2025-09-11 | Chinese | |
| 控股股东及实际控制人的一致行动人减持股份计划公告 | 2025-09-04 | Chinese | |
| 国浩律师（上海）事务所关于常州朗博密封科技股份有限公司差异化分红事项之专项法律意见书 | 2025-09-01 | Chinese |
| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2025
15 filings
| |||||
| 38599191 | 关于取消监事会并修订《公司章程》及相关制度的公告 | 2025-09-11 | Chinese | ||
| 38599172 | 第四届监事会第四次会议决议公告 | 2025-09-11 | Chinese | ||
| 38599153 | 信息披露制度（2025年9月修订） | 2025-09-11 | Chinese | ||
| 38599130 | 薪酬与考核委员会工作细则（2025年9月修订） | 2025-09-11 | Chinese | ||
| 38599121 | 控股股东及实际控制人的一致行动人减持股份计划公告 | 2025-09-04 | Chinese | ||
| 38599107 | 国浩律师（上海）事务所关于常州朗博密封科技股份有限公司差异化分红事项之专项法律意见书 | 2025-09-01 | Chinese | ||
| 38599082 | 2025年半年度权益分派实施公告 | 2025-09-01 | Chinese | ||
| 38599071 | 关于召开2025年半年度业绩说明会的公告 | 2025-08-25 | Chinese | ||
| 38599059 | 关于2025年半年度利润分配方案的公告 | 2025-08-13 | Chinese | ||
| 38599049 | 关于2025年半年度募集资金存放与实际使用情况的专项报告 | 2025-08-13 | Chinese | ||
| 38599036 | 2025年半年度报告摘要 | 2025-08-13 | Chinese | ||
| 38599021 | 2025年半年度报告 | 2025-08-13 | Chinese | ||
| 38598968 | 第四届董事会第三次会议决议公告 | 2025-08-13 | Chinese | ||
| 38598956 | 第四届监事会第三次会议决议公告 | 2025-08-13 | Chinese | ||
| 38598940 | 2025年半年度业绩预告 | 2025-07-08 | 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 |
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Armacell
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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 |
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Bando Chemical Industries, Ltd.
Manufacturer of power transmission belts, conveyor belts, a…
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5195 | JP | Manufacturing |
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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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