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 |
|---|---|---|---|
| 2025年第二次临时股东大会决议公告 | 2025-09-29 | 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2025年第二次临时股东大会之法律意见书 | 2025-09-29 | Chinese | |
| 2025年第二次临时股东大会会议资料 | 2025-09-18 | Chinese | |
| 股票交易异常波动公告 | 2025-09-16 | Chinese | |
| 关于使用部分闲置募集资金进行现金管理到期赎回的公告 | 2025-09-15 | Chinese | |
| 募集资金管理制度（2025年9月修订） | 2025-09-11 | Chinese |
| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2025
15 filings
| |||||
| 38599839 | 2025年第二次临时股东大会决议公告 | 2025-09-29 | Chinese | ||
| 38599825 | 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2025年第二次临时股东大会之法律意见书 | 2025-09-29 | Chinese | ||
| 38599810 | 2025年第二次临时股东大会会议资料 | 2025-09-18 | Chinese | ||
| 38599776 | 股票交易异常波动公告 | 2025-09-16 | Chinese | ||
| 38599762 | 关于使用部分闲置募集资金进行现金管理到期赎回的公告 | 2025-09-15 | Chinese | ||
| 38599743 | 募集资金管理制度（2025年9月修订） | 2025-09-11 | Chinese | ||
| 38599728 | 累积投票制实施细则（2025年9月修订） | 2025-09-11 | Chinese | ||
| 38599722 | 公司章程（2025年9月修订） | 2025-09-11 | Chinese | ||
| 38599701 | 年报信息披露重大差错责任追究制度（2025年9月修订） | 2025-09-11 | Chinese | ||
| 38599688 | 会计师事务所选聘制度（2025年9月修订） | 2025-09-11 | Chinese | ||
| 38599602 | 关联交易控制制度（2025年9月修订） | 2025-09-11 | Chinese | ||
| 38599589 | 独立董事工作细则（2025年9月修订） | 2025-09-11 | Chinese | ||
| 38599572 | 董事、高级管理人员持股及变动管理办法（2025年9月修订） | 2025-09-11 | Chinese | ||
| 38599556 | 第四届董事会第四次会议决议公告 | 2025-09-11 | Chinese | ||
| 38599541 | 关于召开2025年第二次临时股东大会的通知 | 2025-09-11 | Chinese | ||
Market data
Market data not available
Price history
Peer group · Manufacture of other rubber products
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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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ASAHI RUBBER INC.
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5162 | JP | Manufacturing |
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Bando Chemical Industries, Ltd.
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5195 | JP | Manufacturing |
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Chengdu Shengbang Seals Co., Ltd.
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301233 | CN | Manufacturing |
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Cupid Limited
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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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