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...
With the high temperature attack across the country, wearing masks poses a big problem for high-temp...
Can disposable medical masks be sprayed with medical alcohol for disinfection and reused? Feng Luzha...
Wearing a mask will increase the resistance to airflow, making it difficult for people to inhale the...