HSA---High Speed Spray Arc from TOPWELL PROWAVE Series.Sep 30,2023 HSA---High Speed Spray Arc from TOPWELL PROWAVE Series. Highly concentrated and extremely stable arc delivers deeper penetration,narrower heatting zone, allows smaller opening angles for multi-layer welding.#Topwell #HSA #migwelding Previous Every day is red, but today is special!Next Happy Mid-Autumn Festival!
