The air cleaner is a well-known brand under beijing environmental technology ltd. 352 is derived from the phrase “three minus five minus two” meaning that air pollution is addressed quickly and in a clean manner. 352 is an innovative technology company that focuses on the field of air purification and provides users with clean air solutions as a whole. The product is the basic dignity of the enterprise, 352 adheres to the principle of “business for the user”, selects global suppliers, adheres to autonomous research and development and technological innovation, and constantly improves the quality of products and services. The product series includes air cleaners, new winders, masks, car air-conditioning cores, car-borne cleaners and air quality monitors. In the face of increasing air pollution challenges, based on a realistic business environment, 352 continuously optimize products, supply chains, channels and internal management systems. Making “good pr...