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.

Excelltel Technology Co., Ltd. Was established in 1999 in Foshan, China. We are a manufacturer which is specialized in developing and producing PBX system equipment. Our factory has attained ISO9001 certification, and most of products have attained CE and CCC certifications. With high standards of production and strict monitoring system of quality, its products have been constantly exported to many countries over the world.

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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.