1. Open ColdChain App in the phone.
2. Select Public Cloud or Private Cloud, then press Next button.
3. Input Account and Password, login to setting page.
4. Select Others icon, then press Add Device button
5. Select Site, then press Next button.
6. Click Device Type, then choose device to register.
7. Press scan icon, then scan the QR-Code, add the number to filed.
8. Press Send button then it has finished.
9. The gateway has been added.
10. To add more gateway, press Next button follow step6.