... etc.with ISO, CE, FDA,Nelson certification PP Sleeve cover,Spec.: 40 x 20cm, 28gsm, Packing: 10pcs/roll, 100pcs/polybag, ... lines to produce nonwoven materails by ourselves. Our facemask(BEF over 99%) be proved can prevent virus availably,such as SARS ... , Japan , France , South Korea , Netherlands , Singapore , Hong Kong , Taiwan , etc, over 20 countries and regions.We believe we could satisfy with ...