Electric welding fittings of metal for connecting pipes and conduits; pipe fittings, namely, reducing adapters of metal or of metal combined with plastic, for pipes, reducing sleeves of metal, reducing nipples of metal for pipes, reducing pieces of metal or of metal combined with plastic, for pipes; welding flanges of metal or of metal combined with plastic; pipes and shut-off valves, namely, metal pipes and manually-operated metal shutoff valves; accessories of metal and of metal combined with plastic for the aforesaid metal pipes and manually-operated metal shut-off valves, namely, metal connectors and coupling parts; pipes, pipeline parts, pipe junction fittings for water and gas pipes, and shaped parts therefor, wholly or mainly of metallic materials, in particular for gas, water and heating installations, and for ventilation; accessories for the aforesaid pipes, namely, junction sleeves and branch connectors of metal; pipes, pipeline parts, pipe junction fittings, made wholly or mainly of metallic materials, for waste water conduits being part of sanitary installations; accessories for the aforesaid pipes, namely, junction sleeves and branch connectors of metal; prefabricated parts, namely, metal prefabricated sanitary wall installations

Mechanical apparatus for generating and distributing energy, in particular using geothermal heat, namely, electric generators; installations for energy production, namely, high voltage generators mainly consisting of pipelines, junctions for pipes, installation and distribution shafts of plastic with shut-off and control elements, heat pumps, measuring instruments, geothermal heat probes, probe feet, brine distributors of plastic and brass, spacers and probe weights; electric hand-held scraping tools, electric hand-held clamping tools, and electric hand-held drills for pipes made of polyethylene

Electric welding and descaling apparatus for pipe working, namely, welding torches; electric welding apparatus for welding plastic fittings, namely, laser welding devices, and remote control apparatus and plug connectors for electric welding apparatus, and structural replacement parts for the aforesaid apparatus; hardware and software tools for the further processing of welding data, namely, computer hardware and computer software for use in processing welding data

Heating systems, namely, heating installations; shut-off devices being parts for radiators or heating installations; shut-off fittings, ventilating fittings, discharge fittings, being parts for radiators or heating installations; shut-off valves, ventilating valves, discharge valves, being parts for radiators or heating installations; plumbing fittings, namely, stopcocks, valves, taps, drain gutters and flexible pipes being parts of shower plumbing installations and connectors therefor

Junctions not of metal for water pipes, junctions of plastic combined with metal for water pipes; pipe joints not of metal, pipe joints of plastic combined with metals; pipe couplings of plastic for metallic pipe connections; electric welding fittings of plastic combined with metal, for connecting pipes and conduits, accessories of plastic combined with metal, for electric welding fittings, namely, connecting saddles, tapping saddles and pressure tapping saddles, caps for pressure tapping saddles for sealing and insulation purposes; accessories for non-metal pipes, namely, junction sleeves and branch connectors of plastic, and insulating materials therefor; welding flanges, namely, plastic pipe fittings for welding polyethylene conduits, for gas, water and industrial purposes; pipe couplings and pipe reducing adapters of plastic; pipe junction fittings wholly or mainly of non-metallic materials for water and waste water conduits and gas pipes; plastic material in extruded form for use in the production of films, coating films, foils, sheeting, blocks and rods; non-metal pipes, tubes and piping, fastening, connecting and intermediate elements for non-metal piping; plastic composite materials in the form of profiles, boards, sheets, blocks, rods and pellets for use in manufacturing; sealings, namely, sealing and insulating materials; non-metal pipe couplings and joints, except for vehicles; packing and insulating materials; filling materials, namely, packing foam in sheet form; extruded plastic in the form of bars, blocks, pellets, rods, sheets and tubes for use in manufacturing; thermoplastic extruded profiles used to line and seal containers and pipes; seals, namely, non-metal seals for use in sealing and closing non-metal pipes; hoses, namely, non-metal hoses for plumbing use; electric insulators, namely, electrical ceramic insulators

waste pipes, namely, non-metal sewer pipes; water pipe systems comprised of non-metal sewer pipes, for the disposal of sewage; gutters, namely, non-metal gutters; Non-metallic building materials, namely, fascia; materials and articles for use in building industry, namely, logs; prefabricated parts, namely, non-metal prefabricated sanitary wall installations; prefabricated non-metal buildings, prefabricated concrete walls; nonmetal scaffolding for buildings and walls; Non-metallic pipes and piping, namely, concrete pipes; pipe-connection, pipe-fastening and pipe-intermediate parts, namely, non-metal gutter pipes; drain and drainage parts, namely, ceramic drain pipes and drain bases for use in drain lines and sewage guiding systems; non-metallic construction materials, namely, drain bases and grates; ceramic materials, namely, pipes, bars and capillaries made of oxide ceramics for general use in handgraft; pipes, rods, bars, made of oxide ceramic for use in material treatment and testing in high temperature range and highest temperature range, electric insulation, conduction of gas into metal and glass melts; components of plastic for structural and civil engineering, namely, plastic pipe supports; house gutter pipes for fire protection, and sewer pipes and water pipes, all of the aforesaid goods made of plastic; water pipes and structural parts thereof for water and waste water conduits and gas pipes, wholly or mainly of non-metallic materials, in particular for gas, water and heating installations

Building construction; installation services, namely, installation services of water conducting units conduits and fittings for prefabricated room cells; installation of sanitary installation modules, being parts of sanitary installations, including kit form and for pre-wall installation for connecting hot, cold and waste water, and hot water and / or heating gas to sanitary and heating installations; installation of building insulation and construction of buildings in the fields of energy, heating and/or environmental technology; repair and maintenance of heat technology installations; repair of pumps and fittings for heat technology installations

Generation of energy and heat energy from alternative energy sources

Technical planning for building construction, namely, research on building construction, land use planning services