Authorized respirators should be used in accordance with CDC’s recommendations.
The FDA website links to authorized companies. On page 4, we can see the following two.
Powecom and Sunjoy are authorized by FDA, it means the standard and quality are match the need of high protective device.
KSEIDON can provide you with high quality service, so that you can receive masks as soon as possible.
Reference link：
https://www.fda.gov/media/136663/download
Post time: Apr-21-2020