SUNGSAN Electronics&Communicatons Co., Ltd. has been doing business for over 10 years as one of the leading manufacturers wide broad Solid State Power Amplifiers and Wireless Communication System in RF industry. SUNGSAN Electronics & Communications ...

Cosmo Tellink Major products: USB VoIP Pone( Handy Type) Desktop Phone(Desktop Type H.323 and SIP IP Phone ATA Gateway We're also offering service bundle with our server. Users can enjoy a great benfit cost saving to use service. ...