Many wanted to join the coalition but had made difficulties in choosing the project and wondered what kind of industry and project to choose. Here, it is recommended that consideration be given to joining the air cleaners. The following is a description of the benefits of opening an air purification shop: as concern for indoor air quality increases, so does the market demand for air cleaners. In cities, offices, schools, hospitals, etc., air purification units have become an increasingly popular requirement. 2. The health industry has a wide range of prospects: air cleaners can be effective in removing pollutants, bacteria, viruses, etc. From the air and improve air quality for health. In the current environment, increased health awareness will further promote demand in the air purification market. 3. Profitability space is significant: air purification units are usually more expensive, but cost is relatively low, and hence profit space. Considerable profits can be obtained through ...