9 Systems comprised of furnace coils, furnaces, induction coils, stirring units, electromagnets, power cables and transformer cords for heating and melting metals, ceramics, plastics, alloys and rare earth elements
35 Business management services for companies engaged in the heating and melting of metals, ceramics, plastics, alloys and rare earth elements
42 Engineering design and development services for systems of heating and melting metals, ceramics, plastics, alloys and rare earth elements