Heilongjiang tetshin car maintenance co. Ltd. Was established in early 2018 to work on innovative self-help car wash models. With 10 years of experience in the car wash industry, the traditional car wash industry has been hit hard in the context of economic development and rising pay levels. The company, together with shenzhen smart equipment, the software development team, a 10-year cooperative car wash manufacturer, was engaged in research and development and officially operated externally in july 2019. Recognized by a wide range of consumers and investors. While saving resources, self-help car washes have been used as a sport for exercise, and 24-hour services have been built in urban planning in developed regions of europe for community-based self-help shopping and easy-to-use equipment for self-washers. Self-service chargers, self-recycling, etc., as they are part of public service projects. So not for profit. The prices of goods and services were very low and had ended in 2014...