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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Click to Call Me

The service often seen at different sites works in such a way that you need to enter your telephone number in a special window and after some seconds you and the company representative will receive a call, which will allow you communicating.

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