Address : Chungcheong University BI Center No. 1 #207, Gangnae-myeon, Cheongwon-gun,
Chungcheongbuk-do, 363-792, Korea
TEL: (82)-43-221-3060, 10-8806-3062
E-Mail : choikhoe@hanmail.net / choikhoe@gmail.com
Website1 : www.get21.co.kr, Website2: www.eunzzang9.en.ec21.com