The pre-preparation stage includes confirming requirements, clarifying trade terms (EXW, FOB, CIF, etc.), and preparing compliance documents. The shipping stage involves domestic transportation, booking space, warehousing, loading, customs declaration, and obtaining bills of lading. In the destination country stage, after the goods arrive, it is necessary to exchange documents, complete customs clearance and tax payment, and then arrange inland transportation and final delivery. Each link requires close coordination between logistics providers, shippers, and customs to ensure smooth cargo flow