Meltblown KN95 face mask is used outdoors, such as subways, buses, supermarkets, shopping malls and other public places, KN95 masks need to be replaced every 4-6 hours, but if it is in the new corona virus infected area, it is recommended to be replaced t
OR31BW FTTB optical receiver is specifically designed for CATV FTTH network. Its main feature is low power consumption, AGC optical constant level output, small Volume and high reliability.
PU work gloves protects the hand from oils and abrasion while remaining elastic and breathable.Designed for easy movement and continuous wear, and no irritation by seams in contact with the skin.