A clean room refers to a space where the air cleanliness reaches a specified level for people to move about. Its function is to control particulate (dust particles) contamination. To meet the production and scientific experimental activities of precision products. Hejing Purification Engineering Co., Ltd. believes that clean rooms are by no means limited to "cleanliness". Different industries and departments have considerable requirements for temperature, temperature, lighting, noise, static electricity, and micro-vibration. The integrated whole is a collection of architectural decoration. (airtight decoration that is relatively isolated from the atmosphere), clean room (or clean workshop)