Benvenuti a Shenzhen Changxinghuitong Technology Co., Ltd!
+86 19129355807

telefono di emergenza della metropolitana

Telefono per camera bianca SIP


The surface of the equipment is flat, the sterile room telephone made with advanced technology, used PE film panel,  no power...
Telefono IP Telefono con filo


IP telephony refers to any telephone system that uses an Internet connection to send and receive voice data. Unlike regular...
Telefono di emergenza integrato SIP


Embedded Emergency Telephone for emergency and daily communication, it is weatherproof and durable. Can be designed to dial numbers automatically,...
telefono industriale esterno minerario


The outdoor industrial telephone has a standard analog phone, phone line powered. There are also SIP/VoIP, GSM/3G versions, and aluminum...