Under zhejiang mantra 8 smart technology ltd., the company works in the market to provide a 24-hour, unattended smart car wash service to consumers, replacing cleanness with wisdom, providing convenience and clean living services to cities and consumers. Car wash technology is based on german technology and processes, has local technology research centres in germany and brings in talent in the industry, has created a service where only robots can wash cars as carriers. In the last few years, companies have integrated not only modern internet technologies, but also a variety of technologies, such as the internet and the internet, and have integrated artificial intelligence and management of various intelligent services, such as photovoltaic and rainwater recovery systems, to provide green-technology services and technologies to the domestic car wash industry. It is known that car washes are a remarkable thing for modern societies, that there are now 330 million domestic motor vehicles in the world, and that data show that domestic motor vehicle holdings are still growing at 13 per cent a year, so many of the country’s urban car washes have surfaced in recent years. Not only does it represent high technology in the industry, but it also takes into account the problem of water use before developing it. With the tireless efforts of many technicians in the country, it not only develops a range of energy-saving systems, such as rainwater harvesting, sewage treatment and photovoltaic power, but also significantly improves the recycling of water resources, fundamentally rejecting the huge waste of water resources, making it possible for them to operate at low market and for users to do so. In addition to being at the forefront of the industry, the use of high-tech means has significantly reduced the waste of water resources and the rational use of valuable water resources。