How to print the invoice after Chen Hui's water meter sells water?

The method of printing invoices after Chen Hui's water meter sells water is as follows:

1. Log in to official website, the water company.

2. official website chose me, which belongs to the water meter label that needs to be invoiced.

3. Select the invoice in my dialog box.

4. Select the time when the invoice needs to be issued in the invoice dialog box to generate the required invoice.

5. Download the invoice and print it on the self-service printer.