All our measuring instruments (especially calipers, paint thickness gauges, and refrigerant pressure gauges) are calibrated quarterly according to ISO quality management system requirements to ensure the data we provide you is objective, accurate, and reliable.

Most models adjust through the central control screen menu, while a few models (like some BYD or MG) retain physical levers or paddles on the center console or steering wheel. We will check if the drag feel when the system engages is linearly normal.

Yes. We will apply to customs or the trade promotion agency for a specific version of the certificate of origin (such as ASEAN Form E, China-ASEAN FTA certificate, etc.) to assist you in legally enjoying significant or even zero tariff treatment at the destination port.