ISD Call is one of the leading VoIP (Voice over Internet Protocol) Service Provider specialising in Internet Telephony Solutions for various businesses, Our vision is to emerge as a major VoIP Service Provider by integrating telephony system with the cont
We offer you the ultimate quality of VoIP calling facility at very economical rates and thus We help you to grow saving your investments.a major VoIP Service Provider by integrating telephony system with the contemporary online world. We offer you the ultimate quality of VoIP calling facility at very economical rates and thus We help you to grow saving your investments.
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H.K.Houyuan Technology Co., Limited was founded in 2009 with headquarter located in Shenzhen and branch office in HK ,suzhou. There are several departments such as VolP,RFID, consumer electronics , SMT produ