HUBEI CTWELL ELECTRONICS CO.,LTD. relying on more than 20 years of technical research and development experience accumulated by the core technical personnel in the current transformer industry, the company has independently innovated and developed silicon steel strip core, nano-crystalline core, composite magnetic cores and produced cost-effective miniature current transformers, potential transformers and power transformers, etc. in combination with fully automatic toroidal winding machine, automatic epoxy coating machine and other advanced equipment, which have been widely used in the fields of electric power system, new energy, Big Data Center, Internet of Things, etc., adopted by ABB, Emerson, Schneider and other well-known enterprises and exported to Southeast Asia, Europe and the United States.