In october 2007, as a result of the national policy's promotion of energy conservation, traditional car washes could not be successfully carried out, and after several months of expansion, the market received very strong feedback, with regional agents in place in some areas, which would be the best of today's wise choices. Characteristics: first, there is a growing acceptance of door-to-door operations by a large group of young people, second, the difficulty of choosing wisdom, and the lack of any special requirements for operators, and third, the characteristics of the project, namely, the conservation of the environment and the policies of the environmental sector. Beijing international has done its best to create a comprehensive service that "must wash" car washes. The service centres under the flag, which "must wash" door-to-door car wash, use imported energy-efficient cleaning equipment and a series of specialized washing agents, with high-quality products, specialized technolo...