Ningbo Changqi Porous Membrane Technology Co., Ltd. Was established in May, 2006. Specialized in producing ePTFE membrane and advanced ePTFE membrane filter media (porosity ranging from 0.2~ 5μ M). The company is located in Jiangbei Investment Pioneering Center, 1km from high way entry, 11km from downtown and 23 km from Ningbo airport. With excellent manufacturing facilities, completed lab instruments and experienced technical staff, we could do research and development work independently, also we developed different grades of ePTFE membrane and laminated filtration media. Our products are currently used in various air filtration applications, vacuum cleaner filtration and HEPA & ULPA filtration for cleaning room, microfiltration, medical applications etc. It is the mission of our teams (both technical and management) to provide good quality products at competitive prices and excellent service to our customers.