Group 1 - The core viewpoint of the article highlights that China National Heavy Duty Truck Group (China National Heavy Truck) has a subsidiary, the axle company, in which it holds a 51% stake, ensuring stable market demand and revenue through close collaboration with its vehicle production units [1] - The axle company is recognized for its stable operations and good profitability in its field, benefiting from tax incentives as a high-tech enterprise by the end of 2025 [1] - The aftermarket company, a wholly-owned subsidiary, focuses on truck aftermarket services, including parts, oil products, and after-sales services, emphasizing customer service [1]