We?re a public company that manufactures auto-darkening welding helmets with unique advantages. The characteristics of our welding helmets are:1. High quality LCD and multilayer optical interference filter for clear view and permanent UV/IR protection to DIN 15 2. suitable for TIG,MMA,MIG/MAG, plasma cutting all kinds of welding & cutting mode except laser welding.3. Lens powered by solar cells with no need of battery changes 4. Ample mask space and very safe structure 5. Suitable for high welding operation temperature6. Water/Fire Proof , shell with anti-fire material7. Adopt with Swiss filter8. Optional color9. Economical price