About Us

CHAOJI is a professional developer and manufacturer, focusing on VoIP Gateway and SMS Gateway solutions since its establishment. Our product portfolio includes high-quality GSM/3G/4G VoIP Gateways, SMS Modems, Simbank, IP Proxy Devices, Bulk SMS Platforms and related software solutions tailored for global operators and providers.

CHAOJI products find extensive applications in industries requiring multi-SIM functionality, including call center systems, bulk SMS sending and receiving, verification codes or one-time password generation, top-up businesses, multi-IP solutions, and more.

At CHAOJI, customer satisfaction remains our perpetual pursuit. We eagerly anticipate forging a brighter future alongside all our valued customers.