Professional GSM Prepaid Scratch Mobile Phone Card

Product description

SIM card is the subscriber identification card of digital cellular mobile phone. Its full name is "subscriber identification module". In the GSM digital mobile phone system, the SIM card plays an extremely important role. It is not only an important part of the mobile phone, but also an identity card for every GSM mobile phone user. Therefore, the SIM card realizes the concept of recognizing people and not recognizing machines.

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Company profile

GREESO TECHNOLOGY (SHENZHEN)CO., LTD.

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