Yuan Dean was established in 1990 at Tainan, Taiwan and its factory Ho Mao electronics was established in 1995 at Xiamen, China. It is the leading manufacturer with ISO 9001/ISO 14001/IATF 16949 certified and specializes in various products such as DC/DC converter, AC/DC converter, RJ45 with magnetics, 10/100/1G/2.5G/5G/10G Base-T Lan filter, all kinds of Transformer, Inductor, and LED Driver.