Welcome to YueQing HEYI Electrical Co,Ltd.HEYI, , is a comprehensive multi-business industry and trade integration of high-tech enterprises. HEYI aim to be a worldwide leader in Energy Management. She focus on research, development and manufacturing split core CT ,current transformer ,Digital smart meter and all related products, which is widely used in Smart Grid Industry all covering distribution, Saving&Protecting&Metering Electicty, and Power System.HEYI has private specialized factory, total area of 3000 square meters, located in Liushi YueQing, ZheJiang province, China. There's one strong R&D team to deliver flexible solutions and Personal Tailor for customers. For example, HEYI successfully develop and produce Rogowski Coil as customers need!!HEYI sincerely supply you with high quality products and high effert service, willing to start deep cooperation with you soon after!!