... new technology 2.Multi-layer LCD and coated glass Welding Mask / Auto Darkening Welding Helmets / Auto Darkening Face Shield 1. The shell is made of PP ... our face, neck, ears and so on. 3. Use solar cell as a working power supply, automatic switch, reliable ... satisfied6. We offter various types of high quality building materials such as nails, galvanized wires, welding consumables and wire meshes.7. ...