When evaluating cargo vans, prioritize the Payload Capacity and Cargo Volume (Cubic Meters) to ensure they meet your logistics requirements. Key technical factors include the Engine Type (Diesel, Gasoline, or Electric), where Turbocharged Diesel engines are often preferred for high torque and fuel efficiency in heavy-duty hauling. Additionally, verify the Wheelbase length and Roof height (Standard, High, or Super High) to match your specific cargo dimensions. For safety, ensure the vehicle includes Electronic Stability Control (ESC), Anti-lock Braking Systems (ABS), and Reinforced Cargo Partition Walls to protect the driver from shifting loads.