How to book train tickets by SMS?

Hum, why don't you just go to the train station and contact the leaders in charge?

It's not a bad thing. You can also visit the business halls of China Mobile and China Unicom nearby. After all, this also involves SMS service providers!

Make a suggestion:

Your idea is very good, but I think it's a little too simple.

This thing is not as simple as you think!

However, good luck! Contact me if you need anything.