1. Commercial banks: Many commercial banks provide electronic and paper invoicing services. You can go to your usual bank outlets for consultation and go through relevant procedures.

2. Tax official: The tax official of Xiantao City is also an institution that can issue invoices. You can go to the business hall of the local taxation bureau to inquire about the billing situation and handle it according to their regulations.

3. Some large shopping malls, supermarkets and chain stores: Some large shopping malls, supermarkets and chain stores often have service windows for issuing invoices for electrical appliances. When shopping, you can consult the staff and go through the invoicing procedures.