KN95 protective mask are examples of personal protective equipment used to protect the wearer from airborne particles and liquids that contaminate the face. The Centers for Disease Control and Prevention (CDC) National Institute for Occupational Safety and Health (NIOSH) and the Occupational Safety and Health Administration (OSHA) also regulate N95 respirators.

Shanghai Tuotaimu Medical Technology Co.,Ltd is a protective mask manufacturer with Shanghai special approval to fight against the global outbreak of novel coronavirus. The company is located in Shanghai Jinshan district, the TTM mask has met the domestic GB2626-2006 and EN149:2001+A1:2009 standards and it has aquired the CE Certificate and the FDA registration. TTM attaches great importance to product quality, the core raw materials such as melt-blown cloth are above the medical standards of grade 95. At present, it has introduced a number of new high-speed mask machines, and the daily output is about 300,000 FFP2（KN95） masks. It plans to put into production dozens more, and the daily output will exceed 500,000.