Dongguan Ohizumi Sensor Co., Ltd. was established on January 5, 2004, and is located in Liaobu Town, Dongguan City, Guangdong Province. It is a wholly foreign-owned enterprise wholly funded by Daquan Manufacturing Co., Ltd. of Japan.

Ohizumi MFG Co., Ltd. was founded in 1939 and was officially acquired by the Ferrotec Group in 2022. As a subsidiary of Ohizumi MFG Co., Ltd. within the Ferrotec Group, Dongguan Ohizumi Sensor Co., Ltd. specializes in the research, development, production, and sales of new electronic components—such as thermistor chips and temperature sensors—as well as related technical services. Its products are widely used in key industries including home appliances, automotive, new energy, optical communications, and consumer electronics.

Leveraging the advanced technological expertise and management experience of its Japanese headquarters, the company is equipped with world-class production facilities and testing instruments. Upholding its quality policy of ‘continuously improving the quality management system to earn customer trust through high-quality products’, it rigorously controls quality throughout the entire production process, dedicated to providing customers with high-precision, high-stability temperature sensing solutions. In recent years, the company has significantly increased its R&D investment, achieving multiple innovations in automated production. These include patented technologies such as fully automated temperature sensor welding apparatus, automatic copper terminal insertion machines for sensors, and U-shaped flip-top heaters, effectively enhancing both production efficiency and product quality.

The company currently has over 500 employees, offering generous remuneration and benefits including statutory social insurance and housing fund contributions, paid annual leave, regular health check-ups, and seniority allowances. Each year, outstanding employees are selected for advanced training at the Japanese headquarters, providing extensive career development opportunities.

As a specialist sensor manufacturer, Dongguan Ohizumi Sensor Co., Ltd. steadfastly upholds its operational philosophy: ‘Enhancing productivity, challenging world-class manufacturing standards, achieving corporate growth, pioneering new concepts (innovation), and embracing challenges through collective strength.’ Through exceptional product performance and superior customer service, the company has earned an excellent reputation and widespread recognition in both domestic and international markets, establishing itself as a trusted partner to numerous renowned enterprises.