Dear sirs,
Thank you for your letter of May 25, we are sending you here with the required Proforma Invoice in triplicate. Please note that our offer remains valid until November 15.
Please place your order as soon as possible, because we are running out of our stock.
Yours sincerely
(Your name)
The purpose of the proforma invoice (PI): The proforma invoice lists the product name, specifications, origin, price, quantity, payment terms, delivery date, packaging, etc. Buyers can use PI to apply for import licenses and foreign exchange, and sellers can use PI to quote and provide quotation sheets on behalf of customers.