How is the protective performance of medical surgical masks from Yubei Medical Devices?

Yubei Medical Devices uses three layers of protection, the first layer of which is a medical thickened non-woven protective layer, which can effectively block larger particles, the second layer of high filtration and low resistance meltblown filter material, which can effectively filter fine particles, the third layer of the inner layer of non-woven fabrics, comfortable and soft, directly in contact with the skin, long wear does not tie the face, can be effectively adsorbed in the body of the exhalation of hot air, the performance of the protection of no words. Hope to adopt my answer, thank you. If there is any need, you can ask, thank you!