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Ensuring Energy Excellence: Safe, Smart, Secure.
Founded in 1999, KINGSINE specializes in the R&D, production, and sales of a wide range of electrical testing equipment, including Protection Relay Test Sets, CT PT Analyzer, Reference Power Sources and Calibrators, Voltage and Current Amplifiers, Electricity Monitoring Systems, and Instrumentation.
Our electrical test equipment has gained international recognition, serving customers in over 90 countries. KINGSINE actively participate in major power and energy exhibitions across the globe and have earned widespread praise. Our testing equipment is designed to be compatible with relay protection devices from ABB, SIEMENS, ALSTOM, and more.
To ensure global accessibility and support, KINGSINE have built a robust distribution network spanning the Americas, Europe, Asia, and the Middle East, dedicated to providing comprehensive services to our clients.
relay test sets delivered to our distinguished customers worldwide
countries' users
years free warranty
Professional R&D Team
Multiple Production Lines
Excellent After-sales Service
Over 25 Years of Industry Experience
The Exhibition We Participate in 2023, 2024 and 2025.
The Spring Festival holiday has come to a close, and the KINGSINE team is back, energized and ready to dive into 2025! In true Chinese New Year fashion, we kicked off the year by receiving our tradit...
KINGSINE's story began in 1999 when we introduced the 308C+, our first microprocessor-based protection relay test set. That year, KINGSINE became the first company in China to launch a microproces...
Our solutions are tailored for the modern digital substation, supporting IEC61850 standards. The products facilitate seamless integration and communication within substations, enhancing operational efficiency and reliability in managing electrical assets.
Within the Power Grid sector, the tools for testing and calibration are indispensable for keeping the grid healthy, preventing outages, and optimizing energy distribution.
We offers innovative solutions for online monitoring and testing, enabling real-time surveillance and analysis of electrical systems, which helps in early detection of potential issues, minimizing downtime and maintenance costs.
For scenarios where systems cannot be tested live, Kingsine provides a suite of offline testing equipment. These tools are essential for validating the performance of electrical systems in a controlled environment.
Our protection testing equipment ensures that protective relays and devices operate correctly, safeguarding electrical systems from faults and minimizing damage during electrical failures.
Accuracy is key in the electrical industry, and our test and calibration products guarantee that measurement equipment meets stringent accuracy standards, ensuring reliable data for decision-making.
Our robust testing and monitoring solutions are designed to withstand the demanding conditions of industrial sites, ensuring continuous operation and safety of electrical systems in manufacturing and processing plants.
Our products contribute to the safety and reliability of electrical systems, from signaling to traction power, enhancing the efficiency and operational safety of rail networks.
As the renewable energy sector grows, our testing and monitoring solutions support the integration and maintenance of renewable energy sources into the grid, ensuring their reliability and efficiency.
We offers rental services for their testing and calibration equipment, providing a cost-effective solution for clients with project-based needs, ensuring access to high-quality tools without the need for significant capital investment.
Beyond manufacturing, we acts as a service provider, offering expertise in electrical testing and maintenance.
In the transmission sector, our equipment is essential for testing and maintaining the infrastructure that transports electricity over long distances, ensuring the reliability and efficiency of power transmission networks.
