Skip to main content
Onejoon Co., Ltd. logo

Onejoon Co., Ltd. — Investor Relations & Filings

Ticker · 382840 ISIN · KR7382840007 KO Manufacturing
Open in API
Filings indexed 181 across all filing types
Latest filing 2025-08-19 Regulatory Filings
Country KR South Korea
Listing KO 382840

About Onejoon Co., Ltd.

https://www.onejoon.de/

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
[기재정정]단일판매ㆍ공급계약체결
Regulatory Filings Classification · 100% confidence The document is a regulatory filing from the Korean Exchange (KRX) system regarding a 'Single Sales/Supply Contract' (단일판매ㆍ공급계약체결). It specifically details a correction (정정신고) to a previously disclosed contract, updating the contract end date. Since this is a specific regulatory disclosure regarding a material contract update that does not fit into categories like M&A or financial reports, it is classified as a general Regulatory Filing (RNS).
2025-08-19 Korean
[기재정정]사업보고서 (2024.12)
Annual Report Classification · 100% confidence The document is a 'Business Report' (사업보고서) for the company 'Onejoon' (주식회사 원준) for the fiscal year 2024. It includes detailed sections on company overview, history, capital changes, and shareholding information. While it is a 'correction' (정정) filing, the core content is the Annual Report (10-K equivalent in the Korean market). FY 2024
2025-08-14 Korean
반기보고서 (2025.06)
Interim / Quarterly Report Classification · 100% confidence The document is a '반기보고서' (Semi-Annual Report) for the company '원준' (ONEJOON Co., Ltd.) covering the period from January 1, 2025, to June 30, 2025. It contains detailed corporate information, financial data, management discussions, and governance details, which aligns with the definition of an Interim/Quarterly Report (IR). H1 2025
2025-08-14 Korean
분기보고서 (2025.03)
Interim / Quarterly Report Classification · 100% confidence The document is a '분기보고서' (Quarterly Report) for the company '주식회사 원준' (ONEJOON Co., Ltd.) covering the period from 2025-01-01 to 2025-03-31. It contains detailed financial and operational information, including company overview, history, capital changes, and governance, which is characteristic of a formal quarterly financial report filed with the Financial Supervisory Service (FSS) and the Korea Exchange (KRX). Q1 2025
2025-05-15 Korean
[기재정정]단일판매ㆍ공급계약체결
Regulatory Filings Classification · 100% confidence The document is a regulatory filing from the Korean DART system regarding a 'Correction Report' (정정신고) for a 'Single Sale/Supply Contract' (단일판매ㆍ공급계약체결). It details changes to the contract amount and the end date of the contract period. Since this is a specific regulatory disclosure regarding a material contract update that does not fit into categories like M&A, dividends, or financial reports, it is classified as a general regulatory filing.
2025-05-14 Korean
소속부변경
Regulatory Filings Classification · 100% confidence The document is a short, structured announcement regarding a change in the company's market classification (from 'Mid-sized Enterprise' to 'Blue-chip Enterprise') on the stock exchange. It does not fit into financial reporting, governance, or shareholder meeting categories. As it is a regulatory notification regarding company status that does not fit other specific categories, it is classified as a general regulatory filing.
2025-04-30 Korean

Browse filings by year

6 years

Report missing filing

Can't find a specific document? Let us know and we'll add it within 24 hours.

We will notify you once the filing is added.
Report sent
Thank you. We will check the data and update it shortly.