Traditional Culture Encyclopedia - Hotel accommodation - I am a member of the hotel. Receive SMS reminder after consumption. What does it mean that the message ends with a card?

I am a member of the hotel. Receive SMS reminder after consumption. What does it mean that the message ends with a card?

It should be that this hotel used a card-easy membership software with built-in SMS group sending function.

According to the relevant national regulations, the formal SMS channel must bear the name of the sending company, which is convenient for tracing and locating the responsibility.

Just like China Merchants Bank and China Merchants Bank's short messages, nothing.