The check-in machines offer travellers the option of checking-in their baggage. [Photo/Hongqiao WeChat]

Passengers should attach the tag to their luggage and then remove one of the barcodes for safe keeping. Passengers should then place their baggage on the conveyor belt. [Photo/Hongqiao WeChat]

The system will promptly notify passengers if an item of luggage requires further inspection. [Photo/Hongqiao WeChat]