We will directly check the registration certificate (the big green book) and count the number of changes.

Because it's not a one-time transaction. Only by ensuring compliance checks, improving after-sales service, and providing parts can a good reputation be established, leading to repeat purchases and long-term cooperation.

Yes, but this falls under EXW (Ex Works) terms. In this case, the seller's risk transfers at the moment the goods are ready at the warehouse. Any subsequent domestic trucking accidents, customs inspections at the port, or issues with obtaining export licenses will be fully borne by your designated freight forwarder.