展开全部.properties of commercial credit,bank in which only provide services does not provide credit.with the remittance according to the delivery of shipping documents of different conditions,with the payment d/p(spot and forward)and d/a d/a branch. on the import of enormous benefit.because the importer does not need to advance funds,or only a short time capital cushion great for export r**k,because the bank to collect payment can be received by the importer's credit.but because the goods h**e been shipped out first,as soon asd**honoured by non payment,** very passive. collection(collection).after the shipment of the cargo ** exported to the importer,**sued a draft(with or without"enclose shipping documents),comm**sioned by the export import bank through it in the branch or correspondent bank generation exporters receive payment for a settlement.belong to the commercial credit,using the inverse exchange method.