I know a facemask
Production license
number
Registration
certificate no.
Product
technical requirement no.
the product is
composed of spunbond and meltbrown material.
1.It is strictly
prohibited to use after the package is damaged;2. This product is a disposable
mask, please destroy it after use;3. The production date and validity period
shall be shown in the seal of the package or the bag's qualification
certificate.
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