Shanghai Sheng-wei Welding Technology Co., Ltd. is an advanced professional company that in researching, selling and servicing the DSP digital pulse welding (pluse mig / mag), DC / pulse welding machine (DC / Pluse TIG), dual pulse welding machine (AC / DC pluse TIG) .We have been in developing autotatic and efficient welding for long ***** products line are : single / double-pulse MIG welding aluminum, stainless steel welding pulse MAG, MAG pulse welding machine , digital pulse tig welder.We aimto create high-quality digital, automatic welding equipment. We have passed the ISO9001 international quality management system certification, and the national comprehensive CCC safety certification and CE certification.