Commercial buildings cover many types such as office buildings, shopping centers, hotels, and large retail stores. The design and operation of their air filtration systems directly affect the health, comfort, and work efficiency of a large number of people. At the same time, it is also related to the energy efficiency and value of the building itself. 1. Application principle (Why Use Air Filtration?) The core principle of air filtration systems used in commercial buildings is to create and maintain a healthy, comfortable and efficient indoor environment, protect the health of users, enhance the value of buildings, and meet regulatory requirements. The main purposes include: to protect the health and well-being of users...

Oil refineries are large-scale, continuously operated, complex industrial facilities that deal with flammable, explosive, toxic and hazardous substances. Their needs for air filtration are multifaceted, and the core revolves around equipment protection, environmental protection, process assurance, and personnel safety. 1. Application principle (Why Use Air Filtration?) The main principle and purpose of the application of air filtration systems in refineries: Protect Critical Rotating Machinery: Core requirements: refineries have a large number of expensive and continuous operations...