Skip to main content
SEOJIN SYSTEM CO.,LTD logo

SEOJIN SYSTEM CO.,LTD — Investor Relations & Filings

Ticker · 178320 ISIN · KR7178320008 LEI · 988400U9NKI8DHZ0J583 KO Manufacturing
Filings indexed 530 across all filing types
Latest filing 2026-05-18 Regulatory Filings
Country KR South Korea
Listing KO 178320

About SEOJIN SYSTEM CO.,LTD

https://www.seojinsystem.net/main/en/

Seojin System Co., Ltd. is a specialized manufacturer focusing on aluminum alloy die-casting technology. The company produces a diverse range of components and equipment for several key technology sectors. Core business areas include the manufacturing of telecommunication equipment parts, such as remote radio heads (RRH), digital units (DU), and aluminum enclosures. The company has expanded its portfolio to include critical components for energy storage systems (ESS), semiconductor manufacturing equipment, and parts for electric vehicles and batteries. Its manufacturing capabilities encompass the process from raw aluminum material to finished products, serving as a global business partner for technology-driven industries.

Recent filings

Filing Released Lang Actions
단일판매ㆍ공급계약체결
Regulatory Filings Classification · 85% confidence The document is a Korean regulatory disclosure detailing the terms of a single sales and supply contract (단일판매ㆍ공급계약체결) with contract amounts, counterparties, and delivery conditions. It is not a financial report (e.g., earnings, interim, annual) nor an executive or governance update, but a statutory announcement of a material contract. Therefore, it falls under the general regulatory announcement category (RNS).
2026-05-18 Korean
분기보고서 (2026.03)
Interim / Quarterly Report Classification · 95% confidence The document is titled “분기보고서” (Quarterly Report) for the 20th period 1st quarter (Jan 1, 2026 – Mar 31, 2026) filed with the Financial Services Commission and Korea Exchange. It contains detailed financial statements, notes, management discussion, and comprehensive quantitative data, not merely an announcement. Thus, it is an Interim/Quarterly Report. Q1 2026
2026-05-15 Korean
임원ㆍ주요주주특정증권등거래계획보고서
Director's Dealing Classification · 88% confidence The document is a Korean regulatory filing titled “임원ㆍ주요주주 특정증권등 거래계획보고서,” which translates to an executive/major shareholder specific securities trading plan report. It is submitted to the Financial Services Commission and the Korea Exchange, detailing an insider’s planned purchase and sale of company shares. This falls squarely under insider share transactions by company directors/executives, matching the “Director’s Dealing” category.
2026-05-12 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Regulatory Filings
2026-05-08 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Regulatory Filings
2026-05-08 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Regulatory Filings
2026-05-08 Korean

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.