In the export customs declaration process, book the cargo space first, then prepare the necessary export documents for customs declaration. Transport the goods to the customs bonded area, and organize all export documents required for customs declaration 24 hours before loading. Then, submit the declaration, which includes documents such as the product list, trade contract, export verification form, customs declaration authorization letter, and loading documents.

Additionally, relevant documents required by the customs tariff, such as customs clearance documents, export licenses, etc. (if an export manual is available, the manual must be submitted for customs declaration); then prepare the inspection documents, which must be completed 3 days prior to export declaration and reported to the inspection and quarantine bureau. The required documents include: trade contract, cardboard packaging list, inspection entrustment letter, factory inspection certificate, each in one copy.