Proficient in current transformer production for 20 years.
Yueqing Heyi Electric Co., Ltd. was established in 2012. It is a young and flexible manufacturer of current transformers and current sensors. The chief engineer, sales director, and production manager are all members of our family. HEYI is a small family company. Years of hard work to become the OEM and ODM supplier of Siemens, Schneider, Fuji Electric, Softbank, LG, Samsung and other companies.
Thanks to a strong R&D and design team and production team, today Heyi has certificates and certificates from many countries. Test report, our transformer products are exported to the United States, Canada, United Kingdom, France, Germany, Italy, Spain, Portugal, Brazil and other countries, and we have signed purchase agreements with power bureaus in Europe, South America and Southeast Asia. In addition, HEYI is in There are local cooperative factories in Egypt and Indonesia.
The company now has two brands of ASCT and HEYI, more than 6 product patents, more than 100 current transformer models, giving customers more choices, and will develop new currents every year. Transformers are adapted to the needs of future smart grids. Power product purchasers from various countries are welcome to establish long-term cooperation with Heyi. We can customize and design according to customer needs, and provide door-to-door services to solve customer problems after sales.
1.We are family business. The chief engineer, sales director, nd production manager are our family members, so we can make quick decisions.
2.Super R&D strength, leading the technology of split current transformer and customized transformer.We will update and iterate the latest products according to market demand every year, and the whole industry is following HEYI.
3.We cooperated with Fortune Global 500 companies, Siemens, schneider, Fuji electrical, Softbank, LG, samsung transformer supplier in China.
4.Win-win for customers, help customers gain local market share, help customers set up local factories, and provide technical training for customers in various countries.
Dec 11, 2025
In Egypt, selecting current transformer (CTs) is critical, particularly in Cairo, Alexandria, and Suez, where the power grid experiences frequent fluctuations, high temperatures, and heavy operational loads. If the CTs are unstable or inaccurate, the entire protection system may fail. This article explains in simple terms why switchgear, fuse breakers, and CTs form a “fixed… Continue reading How to Choose the Right Current transformer in Egypt
Dec 10, 2025
Application Analysis of ICT Isolation current transformer in Photovoltaic Systems The article deals in depth with an analysis of the ICT series isolation current transformer plug-in current transformers from the company HEYI Electric, their role within the photovoltaic system, the usage methods, advantages, and practical applications. HEYI Electric’s ICT Isolation current transformer In other words,… Continue reading How Isolation Current Transformer Optimize Accuracy in PV system
Dec 05, 2025
HYB-A1 High-Reliability Outdoor Current Transmitter – Born for Harsh Environments In applications such as energy, industrial automation, and smart power distribution, current transmitters may seem ordinary, but they are indispensable. They don’t attract as much attention as inverters, nor do they have the imposing presence of circuit breakers. However, the safety of system operation and… Continue reading How current transmitter cope with outdoor challenges
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