1. The late payment will be made by installment, and the payment will be paid or basically paid at the time of delivery. When deferred payment is adopted, most of the payment will be paid in installments for a long time after delivery.

When installment payment is adopted, the ownership of the goods will be transferred as long as the final payment is paid. When deferred payment is adopted, the ownership of the goods generally passes at the time of delivery.

By installment payment, the buyer does not use the seller's funds, so there is no interest problem. When deferred payment is adopted, because the buyer uses the seller's funds, there is a problem that the buyer needs to pay interest. Deferred payment is a form of foreign capital utilization by the buyer, and the price is generally higher. According to the relevant information disclosed in the inquiry, installment payment and deferred payment are both a transaction method.