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Ningbo Taifengyuan Electric Co., Ltd., located at No. 208, Qianwan New Area, Cixi, Ningbo, Zhejiang Province, was established in 2014 with a registered capital of 50 million yuan. It covers an area of 29.71 mu and has a building area of 25,000 square meters. It is a privately-owned enterprise focusing on the R&D, production, and sales of products in the fields of current sampling, electric energy metering, and power monitoring.

The company's main products include: current transformers for instruments, Rogowski coil current sensors, AC current sensors (replacing DC component current transformers), and DC current sensors; electric energy monitoring devices based on Rogowski coil current sensors, AC smart electric energy meters based on AC sensors, DC smart electric energy meters based on DC sensors, DC electric energy meters and testing devices for charging piles, and vehicle-mounted electric energy meters, etc.

The company's Rogowski coil current transformers have obtained test reports from the State Grid Measurement Center Co., Ltd. and the China Institute of Metrology; the current sensors for DC electric energy meters have obtained technical evaluation and analysis reports from the Ningbo Municipal Institute of Metrology and Testing; the current sensors for AC electric energy meters have obtained technical evaluation and analysis reports from the Zhejiang Provincial Institute of Metrology; the three-phase four-wire fee-controlled smart electric energy meter based on tunnel magnetoresistance current sensors has obtained test reports from the State Grid Measurement Center Co., Ltd. and the Zhejiang Provincial Institute of Metrology, the type approval certificate for measuring instruments from the Zhejiang Provincial Market Supervision Bureau, the scientific and technological novelty report from the Zhejiang Provincial Institute of Science and Technology Information, and the new product and new technology identification and acceptance certificate from the Ningbo Municipal Bureau of Economy and Information Technology.