How about the courier sending messages with SMS software now?

For example, the courier's treasure chest can be downloaded from the mobile phone application, and the software is generally free. Group phone calls and text messages are cheaper. Even if there is no charge, it is very unreliable.

The courier's treasure chest is very convenient and quick to use, and it is mainly used to send text messages, make phone calls, collect bills, count express mail and so on. , as well as some news, company, recruitment information, and peer interaction in the express delivery circle. That's about it.