Disposable civilian protective masks are made of two layers of non-woven fabrics and a layer of filter materials; the nose bridge is made of environmentally friendly all-plastic strips, does not contain any metal, and is equipped with breathable, comforta
A Rhinoscope (or Nasoscope) is a thin, tube-like instrument used to examine the inside of the nose. A rhinoscope has a light and a lens for viewing and may have a tool to remove tissue.
Product name: TCM-122Yimeijian brand disposable medical mask (sterilization grade)Executive standard: YY/T 0969-2013, EN 14683:2019 type IIIt is suitable for covering the mouth, nose and jaw of the user. It is used for wearing in the general medical envir
2G/3G/4G audio door phone1. No need any wires;.2. Put sim card to use 2G/3G/4G internet to call mobile phone for intercom and unlock;3. Support Android and ISO systems.