Automatic Electro-Gas Vertical Up Welding Machine (EGW);Automatic Tank Welder;Automatic ... : CCC, L&T, PEC, Rotary Engineering, Petrol Steel, JSL Automatic Electro-Gas Vertical Up Welding Machine (EGW); Automatic Tank Welder; Automatic ... Tank Welding MachineFeatures: 1 The efficiency of Automatic Electro-gas Vertical Welding Machine is 50 times as manual welding ...