Ningbo Changqi Porous Membrane Technology Co., Ltd. established in May, 2006, is specialized in producing ePTFE membrane and PTFE membrane-laminated filter media (pore size ranging from 0.2~ 5micron).  It's located in Jiangbei Investment Pioneering Center, 11km from downtown and 23 km from Ningbo airport.
Advanced production equipments, advanced technology perfect testing equipments and experienced technicist ensure us to do independent product research, development and production of different grades of e-PTFE membrane, membrane-laminated filter media and related filtration products.
The products are currently used in various air filtration applications, including dust collection, vacuum cleaner,  PTFE HEPA and ULPA filtration and medical applications etc.  It is the mission of our teams (both technical and management) to provide good quality products at competitive rates and excellent service to customers.