Regular and well-maintained automatic car washing machine, as long as it is properly operated, the damage to the car paint is minimal. The contactless car washer is washed with high-pressure water and does not come into direct contact with the body, reducing the risk of scratches. And there is a contact car washing machine, Medis uses EVA foam brush, the material has: water resistance, corrosion resistance, soft and not stained with sediment, sediment can be directly thrown off during cleaning, will not damage the paint.