VOIP PI Co., Limited. is a one of the leading asterisk telephony card manufacturer in china, with passion supplying open souce hardware.With strong R&D ability and high performance product, we serve wide range Industrial Application, calling center, ippbx ...

Genew Technologies Co. Ltd. established in 2005 is a national high-tech enterprise, with its headquarter located Shenzhen and permanent representative offices Beijing, Shanghai, Guangzhou, Nanjing, Xi\'an, Chongqing, Jinan etc., the company ...