When verifying recalls and service bulletins before purchase, first ask who issues the exact VIN range and production batches, then confirm that manufacturer or authorized-channel bulletins and remedy status and after-sales execution plan cover the full order. Use the VIN range and production batches when checking recalls, confirm whether the remedy has been completed, and hand the service bulletins to the local after-sales team. Before handover, confirm that the exact VIN range and production batches are logged and manufacturer or authorized-channel bulletins are backed by documentation; re-confirm with both parties when remedy status and after-sales execution plan changes.
For authorization and document checks, see Which service documents should dealers request from a China car export partner?. The recall and service bulletin check is ultimately governed by the local rules and written confirmations in force at the time of processing.