Business license

Type approval certificate

Metrology certificate

Standardization certificate

Applicable patent certificate for IoT sensor

Appearance patent certificate for IoT pressure sensor

Appearance patent certificate for IoT temperature and humidity sensor

Appearance patent certificate for IoT liquid level sensor

Third-party inspection report for IoT sensor

Third-party inspection report for universal pressure sensor

Third-party inspection report for high-pressure pressure transmitter

Pressure transmitter calibration certificate of Foshan Metrology Bureau

Pressure transmitter calibration certificate of Shunde Metrology Institute