Import and export business refers to a series of specific business involving the purchase and sale of commodities, including labor services and technology, with foreign parties through the conclusion of contracts. The specific contents include: the trading and trading methods of import and export commodities; Transportation and custody of import and export commodities; Inspection of import and export commodities; Customs supervision of import and export commodities; Cargo insurance for import and export commodities; International settlement and bank credit services for the settlement of payment for import and export commodities and the provision of funds, arbitration and judicial proceedings for the settlement of disputes in import and export business; Operation and management of import and export business, etc.