
Onejoon Co., Ltd. — Investor Relations & Filings
Onejoon Co., Ltd. is a mechanical engineering company specializing in advanced thermal solutions. It designs and manufactures high-performance, customized industrial furnaces, kilns, and integrated heat treatment systems for demanding thermal processes. The company is a key supplier to the battery materials industry, providing furnace systems for the production of cathode and anode materials. It is also a technology and market leader in oxidation ovens and carbonization furnaces for the carbon fiber industry. Onejoon's equipment is engineered for a variety of processes, including sintering, pyrolysis, and tempering, and serves additional markets such as advanced ceramics and metals. The company supports clients from laboratory-scale process development to full industrial production integration.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| 분기보고서 (2026.03) | 2026-05-15 | Korean | |
| 소속부변경 | 2026-04-30 | Korean | |
| 정기주주총회결과 | 2026-03-31 | Korean | |
| 사업보고서 (2025.12) | 2026-03-23 | Korean | |
| 감사보고서제출 | 2026-03-23 | Korean | |
| 의결권대리행사권유참고서류 | 2026-03-16 | Korean |
Browse filings by year
6 years| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2026
9 filings
| |||||
| 46360574 | 분기보고서 (2026.03) | 2026-05-15 | Korean | ||
| 39078484 | 소속부변경 | 2026-04-30 | Korean | ||
| 33115974 | 정기주주총회결과 | 2026-03-31 | Korean | ||
| 33013381 | 사업보고서 (2025.12) | 2026-03-23 | Korean | ||
| 33012504 | 감사보고서제출 | 2026-03-23 | Korean | ||
| 32954099 | 의결권대리행사권유참고서류 | 2026-03-16 | Korean | ||
| 32953875 | 주주총회소집공고 | 2026-03-16 | Korean | ||
| 32952963 | 주주총회소집결의 | 2026-03-16 | Korean | ||
| 19469463 | 매출액또는손익구조30%(대규모법인은15%)이상변동 | 2026-02-13 | Korean | ||
|
2025
6 filings
| |||||
| 12198047 | [기재정정]단일판매ㆍ공급계약체결 | 2025-12-29 | Korean | ||
| 33029234 | [기재정정]단일판매ㆍ공급계약체결 | 2025-10-31 | Korean | ||
| 33028612 | [기재정정]단일판매ㆍ공급계약체결 | 2025-10-30 | Korean | ||
| 33027227 | [기재정정]단일판매ㆍ공급계약체결 | 2025-10-27 | Korean | ||
| 33021658 | [기재정정]단일판매ㆍ공급계약체결 | 2025-09-30 | Korean | ||
| 7868205 | [기재정정]단일판매ㆍ공급계약체결 | 2025-08-29 | Korean | ||
Market data
Market data not available
Price history
Peer group · Manufacture of ovens, furnaces and permanent household heating equipment
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Onejoon 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/15024/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=15024 | 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=15024 | 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=15024 \ -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": 15024}, 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 Onejoon Co., Ltd. (id: 15024)"
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