What kind of water pump is good

The car owners often do things, especially after a rainy day, the car basically need to clean it again, whether it is their own cleaning or cleaning to the professional, in short is unavoidable for washing, will have a car wash water pump or other washing utensils clean their own friends home, for the choice of pump. What kind of cleaning effect is better?
The cleaning of the car is washed with water, then it is wiped with a soft cloth, and the cleaning should be carried out in order to avoid scratching on the surface of the car body. The use of water to clean is mainly done by water pressure. Large hydraulic pressure is needed at this time. If it is a high-pressure pump, the effect will be more ideal. High pressure washing can clean the dirt on the car, plus some auxiliary cleaning supplies, the effect is better.
What kind of car wash water pump can be selected according to its own needs, many people will choose high pressure, the effect is a major principle of selection.