Home > About us > Location   Head office Ulsan plant Daejeon laboratory Ulsan laboratory Youngnam branch     Joongbu logistics center Aekyung HongKong Co.,Ltd   Address : 106-3,Guro-Dong,Guro-Ku,Seoul,Korea T E L : 82-2-8502-000 F A X : 82-2-838-8435 Main operation :1st Business Headquarters, 2st Business Headquarters       Overseas Business Headquarters.