Yasen Environmental Technologies establishes in 2020, and we are an air filtration product professional manufacturer that has been engaged in the research and development, manufacturing, sales and service of air purification products, purification consumables and purification engineering for over 10 years. It has a 5, 000-square-meter factory area and a professional design and quality control personnel team. The main products include HEPA filters, PM2.5 filters, antibacterial filters, activated carbon filters, formaldehyde-removing filters, ozone-removing filters, and multi-functional filters with combined functions for household air purifiers, industrial filters, and ventilation fresh air filters, etc. The company adheres to the principle of "quality for survival and service for development"