1. The internal car is mainly used for the internal business needs of iron and steel enterprises such as production and logistics, and the fixed car is mainly used for activities unrelated to production such as employees' commuting and factory sightseeing.
2. Internal vehicles usually require strong load capacity and durability to meet the high-intensity transportation needs of iron and steel enterprises. Fixed vehicles pay more attention to comfort and safety to ensure the comfort and safety of employees going to and from work.
3. Internal vehicles are generally managed by the logistics or transportation department within the enterprise, and fixed vehicles are managed by the administrative department or human resources department within the enterprise.