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 we could consider joining water purification units. Here's a 200-word introduction to the water purification shop: the water purification shop is a promising business idea. As demand for water quality increases, so does the demand for water purification. In water purification shops, you can provide various types of water purification equipment, such as reverse osmosis water purification, ultra-filtration water purification, activated carbon water purification, etc. A successful water purification shop requires an understanding of, first, local market demand and competition and the development of appropriate marketing strategies. Second, suitable water purification brands and suppliers need to be selected, with access to quality products and after-sales services. In addition, there is a need to establish good custom...