1. **Sedan**
    - **Urban commuter sedan**
        - This type of sedan is mainly used for urban road driving and is often faced with frequent starts and stops and turns, such as in narrow streets, parking lots and other environments.
        - Rack and pinion steering is recommended. Because of its simple and compact structure, it can be well adapted to the relatively small space of the engine compartment of the sedan. Moreover, it has sensitive steering and high positive and negative efficiency, which allows the driver to easily maneuver the steering wheel for turning, U-turn and other operations when driving at low speeds in the city. For example, most city sedans such as the Volkswagen Polo and Toyota Corolla use rack and pinion steering, which provides drivers with a lighter and more precise steering experience.
    - **High Performance Sedan**
        - High-performance sedans focus on driving maneuverability and speed, and are often driven on race tracks or at highway speeds.
        - Electric Power Steering (EPS) is a suitable choice, which can flexibly adjust the amount of steering power according to the speed and driving mode. At high speeds, it can provide a steady steering feel and enhance vehicle stability and maneuverability; at low speeds or when driving aggressively, it can provide appropriate assistance to make the steering more precise. At the same time, EPS can also work better with the vehicle's electronic stability program (ESP) and other systems to enhance the overall performance of the vehicle. For example, the high-performance version of the BMW 3 Series features an advanced EPS system that allows drivers to enjoy driving while ensuring safety.
2. **SUVs and Off-road Vehicles**
    - **Urban SUVs**
        - City SUVs are mainly used on city and suburban roads, occasionally encountering some not-so-good road conditions, but still traveling on paved roads most of the time.
        - Considering its heavier body and the need to take into account a certain degree of off-road performance and comfort, electric power steering (EPS) or recirculating ball steering is a good choice. EPS can provide comfortable steering feel, and it is easier to drive on city roads; while the recirculating ball steering has a strong load-bearing capacity, when encountering potholes or need to pass some obstacles, it can withstand larger forces. The steering wheel has a strong load-bearing capacity. Some models of urban SUVs like Honda CR - V use the EPS system to provide drivers with a good steering experience.
    - **Hardcore Off-Road Vehicles
        - Hard-core off-road vehicles are often driven under extreme road conditions, such as rugged mountain roads, muddy swamps, deserts, etc., which require strong steering force and reliability.
        - Circular ball steering is the best choice. It has a strong load-bearing capacity and can adapt to the huge impact and resistance that the vehicle encounters during off-roading. For example, Jeep Wrangler and other hard-core off-road vehicles use recirculating ball steering to ensure that the steering system can still work stably and reliably under complex off-road conditions, providing drivers with sufficient steering force to maneuver the vehicle.
3. **Commercial vehicles (cargo and passenger vehicles)**
    - **Light Goods Vehicles
        - Light-duty trucks are mainly used for tasks such as urban logistics and distribution. They have a relatively small load capacity, but have a long driving range and need to consider economy and reliability.
        - The recirculating ball steering is more suitable. It has high transmission efficiency, can provide enough steering force to cope with the load situation, and has a long service life and relatively low maintenance costs. For example, Foton light trucks and other models mostly use recirculating ball steering to ensure that the steering system can work stably during long-term logistics transportation.
    - **Heavy Duty Vehicles and Large Buses** **Heavy Duty Vehicles and Large Buses
        - These vehicles have large load capacity and long body, which require high load capacity and stability of the steering system.
        - Circular ball steering is essential. Its strong load carrying capacity can ensure that the vehicle can still be safely steered under full load or even overload conditions. Moreover, it has good durability and can withstand the pressure brought by long-distance transportation and frequent steering. Like Shaanxi Automobile Heavy Truck, Yutong large buses, etc. are used to ensure the reliability of the vehicle steering cycle ball steering gear.
4. **Special Purpose Vehicles (e.g., fire trucks, sanitation trucks, etc.)
    - **Fire trucks**
        - Fire trucks need to respond quickly in emergencies and carry a large amount of firefighting equipment with a heavy body.
        - Recirculating ball steering can meet their needs for steering force and reliability. Also, for ease of operation, some fire trucks are equipped with electric power steering, allowing firefighters to easily maneuver the vehicle when driving it to a fire scene.
    - **Sanitation Vehicles**
        - Sanitation trucks are mainly used for cleaning operations on city roads, traveling at a slower speed and operating more frequently.
        - Rack and pinion steering is more suitable. It is sensitive to steering, allows the sanitation vehicle to turn and turn around flexibly during street cleaning, and is less costly, which is in line with the use of sanitation vehicles.