General:

Nanjing Desi Weiye Software Technology Co., Ltd. Specializes in the development of next-generation network NGN converged communication emergency command and dispatch system, and is a leading domestic government and enterprise information and communication integration solution provider. The company is located in Nanjing, capital city of Jiangsu Province. The company has formed cooperative partnerships with many well-known enterprises and scientific research institutions at home and abroad, including the Academy of Postal Sciences, Theil Laboratory, Telecommunication Research Institute, China Telecom, China Mobile, China Unicom, AVAYA, CISCO, Dialogic, Bell Alcatel, etc.

DBL Technology Ltd, is a leading manufacturer in developing and manufacturing advanced VoIP products for the worldwide market.DBL has been dedicated in the development of the latest VoIP technology for the last 15 years and has developed a wide range of VoIP Gateway and IP Phone.DBL is committed in offering high quality, innovative, and affordable products.

YX International Information Co., Ltd is a manufacturer of GoIP GATEWAY, VoIP Products, GSM Modem and IP Phone with well-equipped testing equipment and strong technical force. Which is found in 2007, with almost 5 years export experience.

We provide GoIP gateway, SIM bank, SMS modem since 2007, until now, more than 10 years. We also do VoIP business, can peovide you A-Z traffic and route. We can provide free and strong tech support after you become our valued customers. Looking forward to build good business relationship with you!

Shenzhen gold eye technology Co., Ltd is a hi-tech company which specializes in the business of development, production and selling of wireless data terminals, modules and wireless data service.

YX International Information Co., Ltd is a Professional VoIP Products' manufacturer of GoIP GATEWAY(GSM/CDMA/WCDMA/4G), SIM BANK,

Shenzhen Haoday Technology Co., Ltd. Established in 2006, with more than 10 year's experience in GPS tracker, GPS fleet tracking system, is a leading hi-tech supplier and specializing in the fields of GPS pesonal and vehicle trackers.

We, (Shenzhen Proolin Electronic Factory ) are China manufacturer and exporter, Focus on Research and development VoIP, GoIP, FWP, IP Intercom/Camera, Network Switch, WiFi AP, CPE, Enterprise Router and New Products...

VOPTECH is a professional VoIP products developer and manufacturer. VOPTECH provides VoIP communication devices for small and medium sized businesses, as well as large enterprise environments. We have full line of VoIP products, including VoIP Gateway, IP Phone, IP PBX, GSM VoIP Gateway, Asterisk PCI Card, WiFi VoIP Phone etc. Our VoIP devices are easy-to-install, easy-to-use, high-performance, reliable, and yet affordable.