2. Auto 4S shops will be equipped with a certain number of tool cases when the 4S shops are built to facilitate the use of tools and improve efficiency, and at the same time, it can be commensurate with its grade and improve the grade;
3. Large factories: large factories are mostly assembly line operations, and it is quick and convenient to use a small tool case;
4. Bus and aircraft manufacturing companies: Large-scale passenger car and aircraft manufacturing companies have relatively high environmental requirements for tool workshops, and at the same time the work stations are relatively large, so they must be equipped with a certain tool case;
5. Various other fields may be involved.