【答案解析】 ①Exporter and importer conclude a supply contract. ②Exporter and importer make an application to exporter's bank and importer's bank respectively. ③Exporter's bank signs a loan agreement with importer. ④Importer's bank issues a letter of guarantee in favor of exporter's bank after they accept the applications respectively. ⑤Exporter's bank makes an application for the individual loan agreement to government's export credit agency, and the loan agreement comes into effect after the export credit agency approves it.