Wuxi City Donghutang common transformer factory is located in the beautiful Taihu Lake, is specialized in all kinds of general-purpose transformers, power reactors, and the study of the railway electricity department equipment and railway signal transformer, design, production of professional manufacturers, with 31 years history. 
 The factory produces various series specifications of the transformer, are in line with ministerial standards prescribed by the Ministry of Electronics Industry. A variety of power transformers, three phase transformer core transformer. High in the low-voltage choke ring has been in radio and television, all kinds of electronic equipment, radio communications, and numerical control circuit. The production of the signal transformer supporting concentrated in the railway electrical signal power screen, microcomputer interlocking signal power screen, three-phase electrical power supply panel of the transit signal, the signal at the Shanghai Railway Bureau, Chengdu Railway Bureau, Urumqi Railway Bureau, the Guangzhou-Shenzhen Railway, the Shanghai Metro has also been widely used in the power supply panel.