But wearing a mask and frequent hand washing must be done at the same time, both are indispensable.

Shenzhen Zhongjing Environment technology co., LTD sincerely welcomes your inquire and we hope to cooperate with you.

The difference between ordinary medical masks and surgical masks is mainly from material and protection.

Face masks have a certain filtering effect on the air entering the lungs.

Wearing a mask is also very important. Do you know the correct way to wear a mask? Let me tell you. The following are the steps for wearing a mask...

N95 Respirator is one of the 9 kinds of particulate protection masks certified by NIOSH. "N" means not resistant to oil. "95" means that when exposed to a specified number of special test particles（China N95 respirator)