四虎最新网站-四虎永久在线视频-四虎永久在线-四虎网站在线观看-国产精品一-国产精品亚洲一区

1.Product name: surgical mask

2. Color:blue

3.Minimum quantity: 1 carton /2000 pieces

4.Usage of surgical mask:

a. Both disposable masks and surgical masks have positive and negative sides. Take disposable masks for example.

b, the face should be the opposite side of the surgical mask, that is, the light color side, in addition, to pay attention to the part with metal strips should be above the mask, do not wear it upside down.

c. After separating the front, back, upper and lower ends of the mask, wash your hands and hang the ropes on your ears.

d. After wearing the mask, press the metal strips on both sides of the bridge of nose with both hands to make the upper end of the mask close to the bridge of nose.