Qingxian Zeming Langxi Electronic Devices Co., Ltd. is a high-tech enterpriseintegrating scientific research, development, production, sales and service. The current number of employees isabout 1,000, about 1,000 winding machines, about 10 magnetic core heat treatmentequipment, the daily output of magnetic core can reach 500,000pcs and the dailyoutput of transformers can reach 400,000. The main products are mini current transformers for instruments, DC immune currenttransformers for energy meter, voltage transformers, zero-sequence curernttransformers, dual-function current-voltage transformers, split core currenttransformers and amorphous, nanocrystalline soft magnetic materials(currenttransformer cores), etc.