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 prices” a reality in the air purification industry, allowing everyone to breathe safe and clean air. Beijing environmental technology company ltd. Was established in april 2014 to focus on health, focusing on environmental pollution, and autonomously developing and selling innovative environmental science and technology enterprises. 352 is derived from the rapid action force of three to five, but not two, which has been rapidly decontaminated and cleaned up. Provide solutions specifically for air and water purification. It is necessary to make environmentally sound products available at reasonable prices, to solve the real problems of the population, to assume corporate social responsibility, not to target windfall profits, to infiltrate businesses, to direct them to sustainable development, and to allow users to introduce rapid haze removal and efficient decoupling dual-use air purification products for air quality at reasonable prices. The design is simple, efficient, useful and useful, guarding the health of hundreds of millions of families. No deception, no misinformation, practicality is the basic norm for 352 operational strength。