This transaction is done on the basis that you effect the payment covering the total value of the goods by T/T 20 days prior to the date of shipment.

This transaction is done on the basis that you effect the payment covering the total value of the goods by T/T 20 days prior to the date of shipment.

你方在交货前20天将全部货款电汇我方是达成这笔交易的基础。