We have invested in the mask industry since 4 years ago, as the first company in China to distribute masks through vending machines(Smog protection in 2016), and one of 3M China's largest international channel , with 12 branches and warehouses in China, USA, UK , Australia and New Zealand, with local quick delivery to people in four continents our web: www.filtercity.cn . Suzhou Sanical in 2020, one of the only 8 N95 factories in China. We are exporting to over 30 countries and receiving many indirect inquiries (N95,FFP,surgical etc) We invested in one of the eight N95 factory in China and are exporting to over 30 countries and work together to make the world more healthy.