中集车辆：北美半挂车业务聚焦于集装箱骨架车、冷藏半挂车以及厢式半挂车的制造、组装与交付

Core Viewpoint - The company focuses on the manufacturing, assembly, and delivery of container chassis, refrigerated semi-trailers, and box-type semi-trailers in its North American semi-trailer business [1] Group 1 - The company is engaged in the production of container chassis [1] - The company manufactures refrigerated semi-trailers [1] - The company also produces box-type semi-trailers [1]