Seoul Electronics & Telecom Co, Ltd., which started as Seoul Kyeong Jeonki Co., Ltd. in 1983, is the specialized firm having manufactured adaptors, battery chargers and so on in the field of information communication besides power transformers, the core parts of the industrial and domestic electrical instruments in the same field, and acquired safety regulations such as UL and ISO 9001. As a result, it has received the reputation as the excellent business among the same business firms domestic and overseas.