Contact：tianyihong(Mr.)  

Email：

Telephone：

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Area：Guangdong

Address：Floor 6,Building 4, No.7 Dezhong industrial Park, Lipu Street, Dafapu Community, Bantian Road, Longgang District, Shenzhen, Guangdong, China

Website：http://www.gsmvoipgateway.com/ http://tianyihong.shanxismy.com/