The purification engineering industry is an evergreen industry that serves high-tech, national economy and people's livelihood. The development of science and technology and the improvement of the quality of residents' daily life depend on the development of purification technology as its behind-the-scenes support. In recent years, with the gradual improvement of people’s living standards, the related technologies of dust-free workshops have gradually expanded from serving technology and high-end industries to serving ordinary work and life fields, in all aspects of food production and circulation, high-end equipment manufacturing, and high-end commercial office buildings. , Large-scale data centers, large-scale event venues, and even cosmetics and other fields have achieved a wide range of applications.