The Jiangtian automobile brand is associated with Zhenjiang Tianyang Automobile Co., Ltd., an automobile manufacturing enterprise located in Zhenjiang, Jiangsu Province, China. Jiangtian brand vehicles include a variety of types of buses, such as the Jiangtian brand ZKJ6604D model bus, which was mentioned in the 273rd batch. These buses have chassis models HFC6570KY1F and are equipped with a variety of engine models, including YC4FA115-40, HFC4DA1-2C, CY4102-CE4D, and YC4FA13, with different engine displacements, such as 2982cm³, 2771cm³, 3856cm³, 2982cm³, 3857cm³, and 2970cm³. These vehicles demonstrate the manufacturing capabilities and product diversity of Jiangtian Automobile in the field of bus manufacturing.