![]() Hottinger Bruel & Kjaer Hottinger Brüel & Kjær (HBK) is a company that develops technology for measuring and managing sound and vibration. | ![]() EM-Tech EM-Tech (㈜이엠텍) is a company that develops, manufactures, and sells microphones for mobile phones, receivers, vibration motors, and various human-centered wireless sound products. | |||
Founding Date | Founding Date 2002 | Founding Date 2019 | Founding Date 1950 | Founding Date 2001 |
Type | Type Private | Type Subsidiary | Type Subsidiary | Type Public |
Tags | ||||
Locations | Locations Bouguenais, FR HQ | Locations Moss, NO HQ | Locations Changwon, KR HQ | |
Employees | Employees 8 | Employees 4537% increase | Employees 29 | Employees 4509% increase |
Financial | ||||
Revenue (est.) | Revenue (est.) N/A | Revenue (est.) kr728.2m (FY, 2022) | Revenue (est.) kr46.3m (FY, 2021) | Revenue (est.) ₩205.1b (FY, 2025) |
Cost of goods | Cost of goods N/A | Cost of goods kr285m (FY, 2022) | Cost of goods kr16.2m (FY, 2021) | Cost of goods ₩170.2b (FY, 2025) |
Gross profit | Gross profit N/A | Gross profit kr443.2m (FY, 2022) | Gross profit kr30.1m (FY, 2021) | Gross profit ₩42b (FY, 2025) |
Net income | Net income N/A | Net income kr10.6m (FY, 2022) | Net income kr1.7m (FY, 2021) | Net income (₩11.9b) (FY, 2025) |
Operating ⚠ | ||||
Solutions | Solutions N/A | Solutions 11 (May, 2024) | Solutions 4 (Mar, 2023) | Solutions N/A |
Trademarks | Trademarks N/A | Trademarks 43 (May, 2024) | Trademarks 4 (Mar, 2023) | Trademarks N/A |

Hottinger Brüel & Kjær (HBK) is a company that develops technology for measuring and managing sound and vibration.
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EM-Tech (㈜이엠텍) is a company that develops, manufactures, and sells microphones for mobile phones, receivers, vibration motors, and various human-centered wireless sound products.
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