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, all external lighting sources, including low beams, high beams, fog lights, daytime running lights, reverse lights, and brake lights, are included in the mandatory power-on testing.

No, it is absolutely impossible to get a refund. Not only will there be no refund, but if the proceeds from the port auction of the abandoned cargo are insufficient to cover the exorbitant demurrage and disposal fees, the shipping company and customs will still pursue you (the bill of lading recipient) for the remaining debt through international legal proceedings.