The temperature at the experimental test site, near the Huoyan Mountain, was as high as 46.9 °C. The surface temperature was 63.9 °C, and the temperature inside the car was as high as 71.2 °C. The medium truck worked smoothly. Its air conditioning equipment was operating normally to provide a cool and comfortable cabin environment.
The high temperature environmental adaptability test in Turpan, Xinjiang, consisted of a road reliability test, a high-temperature environmental performance test and a high-temperature calibration test.
In order to build the Feidi truck as a customer satisfactory product, team members then went to Qinghai for a 20-day high-altitude test after repairing and maintaining the vehicle.