Which machines can use transformers?

The toroidal transformer is a large type of electronic transformer, has been widely used in home appliances and other electronic equipment with high technical requirements, its main use is as a power transformer and isolation transformer. Toroidal transformer in foreign countries has a complete series, widely used in computers, medical equipment, telecommunications, instruments and lighting and other aspects. Our country in the past ten years the toroidal transformer from scratch, so far has formed a considerable production scale, in addition to meet the domestic demand, but also a large number of exports. Domestic mainly used for home appliances audio equipment and automatic control equipment and quartz lamp lighting and so on. If there is still a problem, please go to the big Bit Forum electronic transformer plate ask me, if you help your favor also hope to adopt the answer!