Granton was established in October, 2005, it is engaged in the completely automatic computer car wash system development, production, sales and service. Granton takes “changes the Chinese car wash way” and “the opening car wash epoch” as a goal, depends on the Zhejiang University abundant research and puts in a lot of financial and human resources, by absorbing advanced technology, basing on a unique design concept, to develop the new car wash way. After many years of continuous research, testing, inspection, and through further innovates, researches, the GT series car wash system were produced. This series of products with a number of national patent technology, GT series car wash system is compeletely automatic computer car wash system. The merits of its non-personnel cleaning, the automatic mechanical operation, the low cost, and the environmental protection. The L-type car wash way can clean all the parts of the car.