HOLTEC

Containers of metal for transport, Metal casks, Metal containers for the storage and transportation of goods, Metal pipes and tubes, Metal tubes, Metal tubes for industrial use, Modular metal structures with flexible covers industrial storage, Pipe tubes of metal, Pipes and tubes of metal, Prefabricated metal platforms

Feed water heaters for industrial purposes, Heat exchangers for chemical processing, Heat exchangers not being parts of machines, Nuclear power plants, Plumbing fittings, namely, baffles, Solar energy based cooling apparatus, Steam generating installations, Steam generators, Steam superheaters for industrial purposes

Designing of heat exchangers, Designing plant components and equipment for nuclear power plants, Designing of heat exchangers, Designing plant components and equipment for nuclear power plants, Machine part design services, Mechanical engineering, Structural engineering design services, Technical verification of power systems designs