Our MIG welding machine is suitable for almost all metals like, aluminum, copper and their alloys in particular. Take the MIG200GD type for example, it is small, light-weight, stylish and portable. The designed with digital display and has three modes to choose from: MIG/MMA/LIFT TIG, besides, it is available in overcurrent, overheating and electric-shock protection, the automatic voltage switch makes it easy for operation.