What does SF Express mean by sending content messages?

Notification information. The short message of SF Express is to inform the recipient of the pick-up time or the contact information and name of the sender, including the express delivery number and the basic information of the sender, and will inform the recipient by short message. SF Express is an integrated express logistics service provider in China, headquartered in Shenzhen. After years of development, we have initially established the ability to provide customers with integrated logistics solutions.