Also known as N95 respirator, a kind of respiratory protective equipment, which can effectively filt...
The “Guidelines for Wearing Masks in the Public Science” have clearly stated that disposable medical...
Wu Haojie, a nurse in the emergency department of the Chongqing Emergency Medical Center, said that ...
Different standards and certification requirements apply to medical masks in different countries/reg...
Since medical masks are registered or controlled according to medical devices in most countries or r...
The weather is getting hot day by day, and the normalization of epidemic prevention and control remi...