![]() LOTTE Energy Materials LOTTE Energy Materials (LEM, 롯데에너지머티리얼즈(주), formerly known as ILJIN Materials) is a company that manufactures electronic components. | ![]() TDK Electronics TDK Electronics (previously EPCOS) is a company that develops, manufactures, and markets electronic components and systems. | |||
Founding Date | Founding Date 2006 | Founding Date 1987 | Founding Date 2020 | Founding Date 1997 |
Type | Type Private | Type Public | Type Subsidiary | Type Subsidiary |
Tags | ||||
Locations | Locations Abingdon, GB HQ Yokohama, JP Seoul, KR | Locations Seoul, KR HQ Iksan, KR Iksan, KR Uiwang Si, KR Kuching, MY Tarragona, ES | Locations München, DE HQ | Locations Bolingbrook, US HQ |
Employees | Employees 1011% decrease | Employees 6116% increase | Employees 9604% increase | Employees 323% decrease |
Financial | ||||
Revenue (est.) | Revenue (est.) £5.1m (FY, 2023) | Revenue (est.) ₩677.5b (FY, 2025) | Revenue (est.) €1.1b (FY, 2023) | Revenue (est.) N/A |
Cost of goods | Cost of goods £1.7m (FY, 2023) | Cost of goods ₩658.7b (FY, 2025) | Cost of goods €965.1m (FY, 2023) | Cost of goods N/A |
Gross profit | Gross profit £3.5m (FY, 2023) | Gross profit ₩23.8b (FY, 2025) | Gross profit €88.5m (FY, 2023) | Gross profit N/A |
Net income | Net income (£13.3m) (FY, 2023) | Net income (₩167.2b) (FY, 2025) | Net income (€27.9m) (FY, 2023) | Net income N/A |

LOTTE Energy Materials (LEM, 롯데에너지머티리얼즈(주), formerly known as ILJIN Materials) is a company that manufactures electronic components.
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TDK Electronics (previously EPCOS) is a company that develops, manufactures, and markets electronic components and systems.
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EPIR is a company that develops and manufactures infrared sensing and imaging products.
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