![]() Seojin System Seojin System (서진시스템) is a company that manufactures metal and aluminum cases, mechanical components, and industrial products. | ![]() Castec Korea Castec Korea ((주)캐스텍코리아) is a company that specializes in the production of automobile and electronic parts. | ||
Founding Date | Founding Date 1996 | Founding Date 1999 | Founding Date 1982 |
Type | Type Public | Type Public | Type Private |
Tags | |||
Locations | Locations Bucheon, KR HQ Shenzhen, CN Tu Son, VN Tu Son, VN Tu Son, VN | Locations Busan, KR HQ Suzhou, CN Busan, KR Changwon, KR Ben Cat, VN | Locations Seoul, KR HQ Gwangju, KR Dasmariñas, PH |
Employees | Employees 13717% decrease | Employees 15125% decrease | Employees 289 |
Financial | |||
Revenue (est.) | Revenue (est.) ₩1.1t (FY, 2025) | Revenue (est.) ₩155.3b (FY, 2025) | Revenue (est.) ₩110.6b (FY, 2021) |
Cost of goods | Cost of goods ₩855.4b (FY, 2025) | Cost of goods ₩135.4b (FY, 2025) | Cost of goods ₩86.1b (FY, 2021) |
Gross profit | Gross profit ₩217.2b (FY, 2025) | Gross profit ₩21.2b (FY, 2025) | Gross profit ₩24.5b (FY, 2021) |
Net income | Net income (₩102.4b) (FY, 2025) | Net income (₩21.3b) (FY, 2025) | Net income ₩19.5b (FY, 2021) |

Castec Korea ((주)캐스텍코리아) is a company that specializes in the production of automobile and electronic parts.
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