2. Whether there are agency contracts, VAT invoices, etc.
3. Write a description: time, which customs declaration agency to entrust, name of ship, voyage, product name, quantity, total value, etc. Specific reasons, what will happen if you can't change it. In a word, the actual situation is clear.
4. Ask the customs broker for the attached documents required by the customs.
5, comfort customs broker, you have to deduct points.
6, be prepared, good luck!