shanghai donsun welding group tig argon arc welding WSM-400T 500T   WSM-400T/500T   Industrial standard, multi-function, high duty cycle Advanced Inverter IGBT module technology. Adaptable with generator, suitable for outdoor welding Pulse Width, Pulse Frequency, Up Slope, Down Slope and...

Shanghai donsun DC AC tig welder WSE-250 WSEM-350 500 WSE-250, WSME-350/500   TIG AC/DC   WSE-250 MOSFET WSME-350/500 IGBT MODULE AC/DC, suitable for aluminum, carbon steel Stainless steel etc.   Inverter IGBT technology Over heat/over current protection HF ARC Intelligent air cooling   Model TIG-350AC/DC TIG-500AC/DC Rated...

shanghai donsun TIG argon arc welding WS-200/250A/315/400ST/400/500 MOS TUBE IGBT   WS-200/250A/315/400ST/400/500   Multi-functional , high duty cycle TIG-200/250A mosfet TIG-315/400ST IGBT TUBE TIG-400/500 IGBT MODULE TIG/MMA two function     Inverter IGBT technology Over heat/over...