Except for the bonded delivery of two varieties of Shanghai Futures Exchange, and foreign crude oil may participate in bonded delivery, all others are duty-paid delivery.

VAT invoices are issued according to the settlement price of delivery payment, which is used for accounting and financial treatment (please ask the company's finance for the treatment of output tax and input tax).

Actual delivery price = actual delivery payment ÷ delivery quantity;

Unit price of special VAT invoice = actual delivery price ÷( 1+ VAT rate);

Special VAT invoice amount = quantity × unit price of special VAT invoice;

VAT amount = VAT special invoice amount × VAT rate