Powder Pharmaceuticals (HK) Co., Ltd ("HK Powder") is located at Hong Kong Science Park, it operates a cleanroom with an area of approximately 1,700 square feet which meets the ISO-8 class 100,000 requirements. In view of the spread of the COVID-19 worldwide and the demand for masks has surged significantly, since early March this year, HK Powder decided to utilise its cleanroom for mask production in order to help address the imminent shortage of face masks in Hong Kong.