4S is the initial letter of four English words. These four English words starting with S respectively represent the following meanings: vehicle sales (Sale), spare parts (Sparepart), after-sales service (Service), and information feedback (Survey).

4S describes a "four-in-one" automobile business model of vehicle sales, spare parts supply, after-sales service, and information feedback. It is established under the authorization of the automobile manufacturer. The 4S store is a "four-in-one" sales store, which includes complete vehicle sales and interior sales, emphasizing an overall, standardized service controlled by the automobile company.

Four-in-one is a service method, including vehicle sales (sale), spare parts supply (sparepart), after-sales service (service), information feedback (survey), etc. 4S refers to the four-in-one An automobile service company that integrates multiple functions is actually the abbreviation of four English words. Although the history of my country's automobile industry is not as long as that of developed countries, the evolution of service methods basically follows the same path. Abbreviation for the history of the foreign automobile industry for more than 100 years. In terms of the construction of specialty stores, most foreign specialty stores are not as luxurious as those built in China. The hardware facilities are not very high-grade, and their investment scale is not necessarily larger than that of domestic specialty stores. However, the management and service level of foreign specialty stores and other software construction are First-class, it can be said that they are meticulous and will never let you only see the appearance and not enter the car. Some franchises even have their own test tracks, so you can test any car you want. Expert introduction: In the entire automobile profit-making process, the ratio structure of vehicle sales, accessories, and maintenance is 2:1:4. Profit from repair services is the main part of a car's profit, and its importance to specialty stores is also obvious.

“3M” is a trademark of Minnesota Mining and Manufacturing Company, USA.

3M Company was founded in 1902 and is headquartered in St. Paul, Minnesota, USA. It is a world-famous multinational enterprise with diversified products. It mainly develops, manufactures and operates its own products. In its nearly century-old history , it has continuously innovated and developed more than 60,000 products, covering the following fields: industry, chemicals, electronics, electrical, communications, transportation, automobiles, aviation, medical care, security, construction, cultural, educational and office, commercial and household consumer goods. 3M has branches in more than 60 countries and regions around the world, with annual sales exceeding US$15.6 billion. 3M is not only one of the components of the 30 Dow Jones Industrial Stock Index, but has also been ranked among the Fortune 500 companies over the years.

3M China Co., Ltd. was established in Shanghai in 1984 and is a wholly-owned subsidiary of 3M. It has offices in Shanghai, Beijing, Guangzhou, Chengdu, Shenyang, Fuzhou and Wuhan, as well as two modern factories, technology centers and customer service centers.