![]() Circuit Check Circuit Check is a company that provides engineered test solutions for electronic products. | ![]() Quantum Design Qantum Design International (QDI) is a company that develops and manufactures automated temperature and magnetic field testing platforms for materials characterization. | ![]() MIC MIC Electronic (Master Instrument Corporation, 昌福电子有限公司) is a company that specializes in rectifier diodes. | ![]() Shenzhen Longood Intelligent Electric Shenzhen Longood Intelligent Electric (深圳市朗科智能电气股份有限公司) is a company that designs, manufactures, sells, and services electronic components. | ![]() Torch Electron Fujian Torch Electron Technology (福建火炬电子科技股份有限公司) is a company that manufactures and distributes electronic components. | |
Founding Date | Founding Date 1979 | Founding Date 1982 | Founding Date 1988 | Founding Date 2001 | Founding Date 1989 |
Type | Type Private | Type Private | Type Private | Type Public | Type Public |
Tags | |||||
Locations | Locations Maple Grove, US HQ Burlington, CA Su Zhou Shi, CN George Town, MY Tlaquepaque, MX Havant, GB | Locations San Diego, US HQ Sydney, AU Grimbergen, BE Sao Paulo, BR Beijing, CN Guangzhou, CN Shanghai, CN see more | Locations Shanghai, CN HQ | Locations Shenzhen, CN HQ Dongguan, CN Haining, CN Hefei, CN Thu Dau Mot, VN | Locations Quanzhou, CN HQ |
Employees | Employees 250 | Employees N/A | Employees 2,000 | Employees 2,99927% increase | Employees 2,174 |
Valuation ($) | Valuation ($) N/A | Valuation ($) N/A | Valuation ($) N/A | Valuation ($) 366.2 m | Valuation ($) 1.7 b |
Financial | |||||
Revenue (est.) | Revenue (est.) N/A | Revenue (est.) N/A | Revenue (est.) N/A | Revenue (est.) ¥1.6b (FY, 2024) | Revenue (est.) ¥4.1b (FY, 2025) |
Cost of goods | Cost of goods N/A | Cost of goods N/A | Cost of goods N/A | Cost of goods ¥1.3b (FY, 2024) | Cost of goods ¥3b (FY, 2025) |
Gross profit | Gross profit N/A | Gross profit N/A | Gross profit N/A | Gross profit ¥288.9m (FY, 2024) | Gross profit ¥1.1b (FY, 2025) |
Net income | Net income N/A | Net income N/A | Net income N/A | Net income ¥53.6m (FY, 2024) | Net income ¥323.5m (FY, 2025) |

Qantum Design International (QDI) is a company that develops and manufactures automated temperature and magnetic field testing platforms for materials characterization.
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MIC Electronic (Master Instrument Corporation, 昌福电子有限公司) is a company that specializes in rectifier diodes.
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Shenzhen Longood Intelligent Electric (深圳市朗科智能电气股份有限公司) is a company that designs, manufactures, sells, and services electronic components.
View company
Fujian Torch Electron Technology (福建火炬电子科技股份有限公司) is a company that manufactures and distributes electronic components.
View company