The Updates of the welder PROMIG-500SYN DPulse XT for Mild Steels. Share Issue Time Oct 23,2019 SummaryThe Updates of the welder PROMIG-500SYN DPulse XT for Mild Steels. High efficiency, complete penetration ... The Updates of the welder PROMIG-500SYN DPulse XT for Mild Steels. High efficiency, complete penetration ...