After Huawei's mobile phone official website order is displayed as "completed", Huawei Mall will automatically issue an electronic invoice (VAT electronic ordinary invoice), which can be downloaded in PDF format on the order details page. If you bought it from an offline flagship store, you can apply for an invoice at that time. The specific steps of online electronic invoice are as follows:

1. Log in to Huawei Cloud official website first, click Login, and log in to the page with your account password;

2. After entering the page, find the expense center below the personal center avatar;

3. Enter the expense center and find the invoice management under the expense in the upper right corner;

4. If it is the first time to request an invoice, you need to add the receiving address and invoice information first;

5. Enter the page, fill in the invoice information and delivery address in turn and check the saved information;

6. Select the billing method, which can be obtained by order or by account period. After checking the amount, confirm that the billing information and delivery address are correct, and complete the application.

Electronic invoice is the product of the information age. Like ordinary invoices, they are distributed to merchants in the form of unified issuance by the tax bureau. The invoice number is distributed to merchants with national unified coding and unified anti-counterfeiting technology. The electronic invoice is accompanied by the signature mechanism of the electronic tax bureau.