Headquarter :

Address : 2142, Jungwon-daero, Salmi-myeon, Chungju-si, Chungbuk, South Korea (ZIP:27492)

Tel: +82-43-213-0001  9am to 5pm UTC+9 Monday to Friday (Closed on Weekends and public holidays)
Fax: +82-0303-3442-0800
E-mail : sales@grandbird.co.kr