Sinos Technology (HK) Co., Hong Kong

Provide wholesale international callback service in China for voip service providers and call shops. We offer competitive price and billing system to our wholeseller. We are using SS7 PSTN line and no connection fee to customers.

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General office

Sinos Technology (HK) Co.,
139-141, Wai Street,.
Kwun Tong
Kowloon ,1001
Hong Kong

Phone: +852 23897726

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The function allows people seeing not only your number when you are calling but also your name.

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Un Voip

We are the fastest growing telecommunication service provider. Thanks to interconnections with more than 60 carriers we provide you with the best terminating quality at the best voip rates available on the VOIP market.