... 3.all the torch spare parts availble Tweco welding torch: tweco welding gun amp.info#2 200Arating 200A duty cycle 60%Wire ... 1.6supply info:A.Professional CO2 welding torch/welding gun manufacture in China over 12 years.B.Welding gun types:1.Binzel Euro type ... Shanghai in June4.CE, certsinfo:Tweco welding torch, Mig torch, welding torch,CO2 welding torch.Tweco welding torch 200A,300A,400A,500A1.. CO2 ...