Common payment terms:
Payment from Middlemen to Fishermen: Payment is given every time fishermen go to the sea.
Payment from Processor/Exporter to Middlemen: They form a 1-year contract and the payment is given when the middlemen deliver to the factory.
Payment from importer to factory/exporter: 100% LC on-site or T/T 30-70.
Mostly, exports to Korea are done on CIF/CFR terms.