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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Direct Telecom Ltd.

DirectTelecom is an international corporation on the telecommunication marketplace.

Our core business activity is providing with voice services to wholesale and retail customers, nation-wide telecoms, origination networks, transit and termination carri