[1] log in to Unicom's online business hall, and click "phone bill inquiry" > "electronic invoice inquiry and issuance" to issue, inquire, download and verify electronic invoices;

[2] log in to Unicom's mobile phone business hall, click "Services" > "Electronic Invoice Inquiry and Issuance" to issue, inquire, download and verify electronic invoices;

[3] When going to Unicom business hall, the salesperson will push the electronic invoice or use the self-service terminal to issue and query the electronic invoice after paying the fee at the front desk.

Tips: Because different cities have different business policies, the specific implementation shall be subject to your local conditions.

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You may also worry:

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