Constant current/voltage output characteristics. Can be sed in submerged arc welding with thick/thin wires. High-performance current/voltage stabilization control technology.Ensure the stability of the welding arc.Have 3 features on the same machine:submerged arc welding,DC manual welding,and carbon arc gas shaving. Wide adaptability.Well-performed in sodering various connections such as corner welding,circular welding and straight-line welding.Have multiple protection functions such as overheating,over-current,and over-voltage in order to make sure long-term stable performance.This series of machines is mainly used in sodering steel plates such as corner welding,circular welding,and straight-line welding for large factories.