Dou Yee is one of the
HSA-approved surgical masks
licensed manufacturer of face masks
by Singapore Health Sciences Authority (HSA)
The Health Science Authority (HSA) has released a list of HSA-licensed local manufacturers and brand names of face masks that that meet 95 per cent of Bacterial Filtration Efficiency (BFE) based on European (EN 14683) and American (ASTM F2100) certification standards.
As of May 19, there are 26 local manufacturing facilities are licensed by HSA.