... MIG welder, NBC-270,NBC-350, NBC-500 Melting pole gas shielded welding machineCharacteristics: 1.Simple structure, reliable performance, less breakdown ... be as consumable electrode argon welder (MIG weld),and mixture gas protecting welder (MAG weld) .2.It can carry out ... steed and low alloy steel plate component, and thin wall pipeline fittings.3.It widely uses for mechanical manufacturing in bicycle ...