How about telecom electronic invoice?

Electronic invoices can be obtained through the telecom Huan go client. First, download and install the telecom Huan go client on the mobile phone. After downloading, click to log in your own telecom mobile phone number. Then click the electronic invoice on the homepage of the software, and then select the type of invoice to be issued. At present, customers provide paid invoices and business invoices for monthly invoices. After clicking the monthly invoice, the user clicks the month to invoice, and then clicks the invoice to get the picture of the electronic invoice. Users can save it in their mobile phones and print it out.