This product is produced by Huizhou Green Communication Equipment Manufacturing Co., Ltd, a wholly-owned subsidiary of Guangdong Green Precision Components Co., Ltd. It is a disposable medical face mask (non-sterilized) in accordance with YY/T 0969-2013 standard and EN14683:2019+AC:2019 standard. The GCPC disposable medical face masks (non-sterilized) has passed all the performance tests and on-site audits of Category II medical devices in China, and obtained the medical device Registration Certificate of the People's Republic of China [Registration Certificate No. : Yue Medical Device License 20202140941] approved by Guangdong Provincial Drug Administration. The product has three layers of structure, including non-woven fabric, melt spray fabric, skin-friendly non-woven fabric. The product should be used with caution for persons allergic to non-woven.