To ensure the freshness of fresh milk cold chain transportation, it is necessary to travel day and night, and every second counts. Higher reliability and safety are required than ordinary goods. The Weichai WP15NG three high test fully verifies the coupling of multiple scenarios and strong environmental adaptability. The B10 has a lifespan of 1.8 million kilometers, high reliability, and reaches 60% of the positive braking power, assisting in improving operational safety. Strength safeguards the entire process, ensuring safe delivery of fresh milk. Editor/Zhao E