Chengli Group's headquarters industrial park covers over 3000 mu, consisting of more than ten large steel-structure workshops, supporting office buildings, testing grounds, and logistics corridors. It is a leading single-site special vehicle manufacturing base in China. Annual production capacity reaches 100,000 special vehicles, covering 12 major categories and over 3000 models, including sanitation vehicles, fire trucks, engineering vehicles, ambulances, and emergency rescue vehicles. The park also features complete-process facilities including parts production, vehicle upfitting, and testing, achieving a full industry chain closed loop from R&D to delivery.