Dtron Co., Ltd. is a firm who produce semiconductor and Electronic Products, is situated in Incheon export industrial complex, where is the center of overseas trade and the key point of the traffic network of the western sea. We are realizing the customer satisfaction by rational management since 1989, with various kinds of items and the productions in small lots of worldwide goods ordered such as MICOM, ASIC, COG, Mask-ROM, S-RAM and etc., which are applied to COG and COB, in the field of Semiconductor Pellet, thus we stand unchallenged in the present situation. Since 21st century, we are developing and producing Paroos, for "the individual-oriented exercise machine", depending on individual's physical condition, without distinction of age or sex.