... Cheng YiItem No.CY-00000 Place of Origin:Chaozhou,ChinaUsage:transformer,power transformer, current transformerCoil Structure:Toroidal Coil Number: According to ... -2204328 Trade Manager: czchengyi Contact Person:Binyee Chen Add:2/F, 2 Bldg., Guangchuang Yuan, Lanhua Third Street, Chaozhou, ... i got your message;power and external dimensions of transformer may be designed to customers requirements