NBC-270,NBC-350, NBC-500 Melting pole gas shielded welding machine MAG welder, MIG welder, NBC-270,NBC-350, NBC-500 Melting pole gas shielded welding ... wires.4.Small splash and good welding formation. Application: 1.This machine is a flat CO2 silicon arc ... *460*820mmMachine outer structureintegrated typeseparated typeseparated type NBC-270,NBC-350, NBC-500 Melting pole gas shielded welding machine