... 10KW 3). CE, UL, CCC, CQC recognized CE toroidal transformer Guangzhou Jinying Electronics Co., LTD (Hong Kong Office: ... products are EI power and audio transformer, Toroidal transformer, three phase transformer, etc.Our transformer are widely used in industrial control, ... office automation equipment and other electronic and electrical appliances. Some transformer items have passed UL, CQC and CE ...