XNGK is the professional manufacturer for air filters in Shenzhen China, our main product is Pre Panel Filter, Pre Pleated Filter, Pocket Filter, V Bank Filter, HEPA Filter, ULPA Filter, High Temperature Oven HEPA Filter, Laminar Flow Hoods, Pass Box, Air Shower, Fan Filter Unit, Clean Booth for Pharmaceutical, Food processing, Micron electronics, Hospital Cleanroom, and other commercial buildings such as airport, schools, libraries, supermarket; we also offer customized OEM service for air purifier filters, new fresh air system.