http://www.hepafilterpaper.com/HEPA Air Filter brands Our History Established in 2005, Shanghai Mingguan Purification Materials Company Limited locates in the Anting Public Economic Zone, Jiading District, Shanghai. We obtained ISO9001 quality managment system certification in 2008, implemented ERP in 2010, and established the overall management system afterwards from sales follow-up, production, supply chain to finance control. In 2004, we obtained 9 patents. In 2014, we got listed on the China NEEQ (National Equities Exchange and Quotations). Our Factory Mingguan was founded in 2005 by a group of young and creative people. Today, we are one of the leading manufacturers in China for the filter media used in coolant, edible oil, air purifier, auto cabin, clean room, and HVAC. We have our own R&D and manufacturing facilities in Shanghai, Jiading district factory and Jinshan district factory. We dedicate to a safer and healthier life of people through technology innovations to enhance the filter efficiency and reduce the energy consumption, and through partnership with our customers. In 2015, our company was listed in the NEEQ,Beijing Stock Market. Our Product Air filter media (HEPA filter media,activated carbon filter media,pocket filter media) and liquid filte