... permanent magnetism arc welding generator is powered by a diesel engine, gasoline engine or electromotor, Export-oriented Enterprise ProfessionalR & D permanent, ... with the diameter of 2.0 to 6.0, are used, the rated duty cycle is 60%, and the overload ... , bridge construction projects, towns, rural areas, forest regions, industry, small-scale ships, household and public places; and the max. power ...