Hefei Hemei Electronic Technology Co., Ltd- Introduction

We are from Hefei Hemei Electronic Technology Co., Ltd. That was established in 2011. As a recognized leading designer and manufacturer in the field of China's split core current transformers and magnetic core materials, it has been dedicated to the research, development, and production of split-type current transformers and high- performance  magnetic  core  materials  for  many  years,  establishing  its  industry  leadership  through professional expertise.

We  have  established  two  production  factories  in  China,  with  a  research  and  development  team composed  of  senior  magnetic  material  R&D  engineers,  magnetoelectric  R&D  engineers,  high-voltage electrical experts, and precision structural designers, covering key areas such as magnetoelectric conversion, core material manufacturing processes, power supply systems, and waterproof open-close structures for outdoor and cable trench applications. Leveraging fifteen years of industry expertise and technological accumulation,  Hefei  Hemei  has  become   a   trusted  supplier  for  global  leading  enterprises  including Qualcomm, Huawei,  STMicroelectronics  (ST),  and  China  State  Grid.

Core business and products (customizable R&D and small-batch production available)

1.Customized Core Production

Our company manufactures customized magnetic cores including permalloy, silicon steel, and amorphous/nanocrystalline cores, meeting the high-performance magnetic material demands of various industries while providing professional core solutions.

2.Split Core Current Transformer

By perfectly combining elastic structure with precision closure technology, it achieves zero The  device  operates  with  low-noise  performance,  featuring  an  IP68  protection  rating  that  ensures exceptional waterproofing and environmental adaptability. It is suitable for outdoor and underground cable applications, equipped with a high-frequency/wide-band current sensor capable of measuring frequencies ranging from 10Hz to 1MHz.

3 .Ultra High Precision AC Measurement Sensor

It delivers ultra-high precision AC measurement solutions with 0.01% accuracy, ensuring reliable data  acquisition  in  diverse  complex  environments.  These  solutions  are  widely  used  in  power monitoring and power supply systems.

4.High Performance CT Power Supply Device

Our company manufactures high-performance CT power extraction devices with dedicated energy extraction transformers,  featuring  an  open-closing  structure.  The  compact  induction  power   system  delivers  high conversion efficiency, meeting safety requirements for power supply under extreme conditions such as high- current  surges  and  load  switching.  These  devices  are  widely  applicable  for  equipment  power  supply  in medium-high voltage and ultra-high voltage environments, including distribution networks and overhead lines.

Global Market Expansion: Our products have been exported to Canada, the United States, Italy, Brazil, South Korea, France, and other regions, with long-term strategic partnerships established with leading local   enterprises. All  products   comply  with international  standards  including  CE,  UL,  ISO9001,  ISO14001,  and  IATF   16949,  offering  stable performance and competitive pricing.