When purchasing a welding machine, don’t buy them in physical stores or physical wholesale stores. Those of the same manufacturer and brand are hundreds of expensive than those on the Interne...
1.Classification
Arc welding can be divided into manual arc welding, semi-automatic (arc) welding, automatic (arc) welding. Automatic (arc) welding usually refers to submerged arc au...
The working principle of liquid crystal automatic light-change welding mask is to use the special photoelectric properties of liquid crystal, that is, the liquid crystal molecules will have a ce...
FEICON is the largest and most influential construction industry trade fair in Brazil and even in South America, and is the world’s fourth largest comprehensive building materials exhibition,...
Darkness adjustment:
Filter shade number (Dark state) can be manually set from 9-13. There is an adjustment knob outside/inside the mask. Gently rotate the knob by hand to set proper shading number...