China VoIP & Digital Telecom Inc. Subsidiary Signs Virtualization Agreement with China Unicom’s Zibo and Linyi Branches (redOrbit)
JINAN, China, March 1 /PRNewswire-Asia-FirstCall/ -- Jinan Yinquan Technology Co., Ltd. (Yinquan), one of the wholly-owned subsidiaries of China VoIP & Digital Telecom Inc.






