freight invoice, the face tax rate is 5.8%, and the actual tax deduction rate is 7%, that is to say, if you pay 5.8% tax, you can deduct 7% of the input.

No need, just a certificate of identity of the shipper, and the local tax will let you fill out a form when applying, which should be enough, because I have opened it, remember to bring money, and the ticket issued on the same day will be taxed.