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The inspection team visited the product exhibition hall and the third assembly line of Sinotruk Truck Co., Ltd. to understand the quality control, production cycle, and logistics distribution. In the product showroom, members of the inspection team eagerly boarded the heavy truck Yellow River 150 truck and the tall Granville HOWO-A7 intelligent automatic weight card car to take pictures. 
Afterwards, the team visited the technical center and visited the engine and component testing room, and held discussions with technical personnel to exchange information on China National Heavy Duty Truck's production and operation status and the development of patent work. The State Intellectual Property Office and the provincial and municipal governments Experts fully affirmed China National Heavy Duty Truck's patented technology work.