Something about the KN95 Professional mask

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KN95 Professional mask Precautions:
1. It is strictly prohibited to use after the package is damaged;2. The production date and validity period shall be shown in the seal of the package or the bag's qualification certificate.
Storage conditions:



dry, room temperature storage, avoid direct sunlight.
Relying on high-quality products and services, perfect business management, with the vision of "make the world a better and healthier", carry forward the "spiritual and benevolent" enterprise spirit, and work with friends from all walks of life to make unremitting efforts to create a more brilliant tomorrow .
Source:  https://www.unisourcesgroup.com/Daily_use/

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