The inverter welding power supply is designed and manufactured by Huaheng Company with the world's advanced technology. This power supply adopts an integrated design: control system, main power supply system and circulating cooling system. The main power supply and control system integrates decades of technology, development and manufacturing experience of Huaheng Company, and has progressiveness, digital, easy to operate, intelligent universality, reliability and other characteristics. This power supply is specially designed and manufactured for tube/plate welding. It is mainly used for welding and repairing various heat exchanger tubes/plates in petrochemical industry.