ELMA-Tech GbmH High-performance welding power sources with process control Virtual machine (VM3) for applications in the fields of spot welding, arc welding, submerged arc welding, plasma coating, arc spraying, annealing. - for manually guided ELMA-Tech spot welding guns for the automotive industry (prototyping, pilot halls, rework stations) and for vehicle repair. - for robot-guided spot welding guns of all welding gun manufacturers in use in the automotive industry and industry Customers of ELMA-Tech GmbH come from the industrial sector and automotive sector (car manufacturers, suppliers and BIW production), and from the segment of collision repair shops.