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 machineCharacteristics: 1.Simple structure, reliable performance, less breakdown. 2. ... *420*760mm740*460*820mmMachine outer structureintegrated typeseparated typeseparated type NBC-270,NBC-350, NBC-500 Melting pole gas shielded welding machine