Tpage Global Co., Ltd.Since founded in 2001, after spinning off from HANWHA Group, we have been trying to develop valuable products for ....Address:Room No.408, Hanshin IT Tower,235, Guro-Dong, Guro-KuSamjoo Electronics Co., LtdSince its foundation in 1998, Samjoo Electronics Co., Ltd. has manufactured megaphones, horn speakers and later ....Address:64-14, Changhyeon-ri, Hwado-eupSAMJOO ELECTRONICS CODear Sirs, Since its foundation in 1998, Samjoo Electronics Co., Ltd. has been manufacturing megaphones, PA ....Address:64-14, Changhyeon-ri, Hwado-eup, 1