About Us
YUDEN-tech - Sensor specialist
Since 1993, YUDEN-tech has excelled in sensors and instruments. We offer manufacturing, distribution, and calibration services. Our philosophy is "Quality First, Prompt Delivery, Customer Satisfaction," creating value through high-quality products and services.
In 2009, we established our proprietary brand, eyc-tech, and embarked on technical collaborations with the Industrial Technology Research Institute's Measurement Center and various academic institutions. To uphold the highest quality standards, we also adopted the international ISO 9001 standard to construct our company's quality management system, along with the establishment of a measurement and calibration laboratory.
Looking ahead, we will uphold the spirit of excellence, continuously innovate, and remain dedicated to providing a wider range of groundbreaking products and services.
Certification
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Patents
Professional distribution and measurement solutions
As a professional sensor distributor, YUDEN-tech has established long-term partnerships with renowned international brands, offering customers high-quality and reliable sensor products across various application fields. Our strength lies not only in providing sensor products but also in delivering specialized knowledge and technical support.
With a proficient technical team, YUDEN-tech excels in offering comprehensive product solutions, technical assistance, and post-sales services to our clients. Recognizing the significance of innovation, we continuously explore the latest technologies and products, ensuring that our customers have access to the finest measurement solutions.
We firmly believe that through continuous learning and self-improvement, we can consistently enhance our products and services, ultimately becoming the most dependable partner for our customers.

TAF (ISO/IEC 17025) Calibration Lab
The calibration laboratory of YUDEN-TECH CO., LTD has the ILAC and ISO/IEC 17025 certification (certification number: 3032) of the professional calibration laboratory for temperature and humidity, dew point, air velocity, flow, and pressure.
It provides accurate calibration services through TAF on behalf of Internationally recognized grade standards and can be traced back to the SI unit. Our calibration laboratory has the measurement uncertainty evaluation report and calibration procedures for each system. We believe that after our service will help our clients to maintain the best quality and stability of your sensor and instrumentation standards.
Comprehensive manufacturing and production
Since 2009, YUDEN-tech has been committed to manufacturing and establishing its own brand, eyc-tech, to meet customer demands for high-quality products. With an exceptional research and development team, we consistently engage in research and innovation. From product design to production, we uphold stringent standards and processes, backed by a quality management system that adheres to the international ISO 9001 certification.
Each of our products undergoes multiple tests and quality certifications, subjected to rigorous inspection procedures to ensure they meet the highest quality standards. To further enhance product quality and production capacity, in 2022, we expanded our factory, introducing state-of-the-art equipment including automated dew point calibration, automated temperature and humidity calibration, air flow calibration systems, among others. This has significantly boosted production efficiency and quality.
To date, we have developed various types of sensors, encompassing applications like airflow, temperature and humidity, dew point, differential pressure, flow rate, temperature, pressure, level, air quality, and signal instruments.
Guided by the core principles of "precision, professionalism, and stability," eyc-tech continues to self-improve. In the future, we will persistently innovate, leveraging our excellent technical prowess and rich experience to develop and produce more products. Our aim remains unwavering: providing customers with high-quality sensor products and services. We believe that only by excelling in both quality and service can we earn the trust and support of our valued clients.
