Chaomei mask is produced by Jiande Chaomei Daily Chemical Co., Ltd. Jiande Chaomei Daily Chemical Co., Ltd. Has been a professional manufacturer of KN95 masks, such as labor protection mask, medical masks, PM2. 5 masks, etc. Founded in 1990, Chaomei has passed IS09001 Quality management system, ISO14000 environmental management system, ISO18000 safety and health management system, European ceen146: 2001 industrial dust prevention and European ceen14683: 2005 medical protection standards and system certification.

Chaomei brand is trustworthy.