6
Metal building materials; sheet metal and plates of sheet metal, zinc coated sheet metal, acid-proof, black iron plates; metal sheet products, air ducts: rectangular duct fittings, circular ducts without seals, circular ducts with seals, welded ducts, roof and wall intakes, roof exhaust vents, segments and pressed elbows, collars, pedestals, choke valves, sockets, inspection hatches, rolled pipes, smooth pipes, single and double layer flexible pipes, sleeves, nipples, blanking plates, symmetrical and asymmetrical reducing pipes, tees, pipe crosses, pressed saddles, roof hoods, roof exhaust vents, roof connections, pipes and manifold pipes, of metal; binding screws of metal for cables
17
packing, stopping and insulating materials, flexible pipes, not of metal; pipes, fittings of plastic; seals and fittings, not of metal; gum; plastics, pipe thermal insulation; metal foil for insulation, plastic film, except for packaging, insulators, lagging materials, insulating paper, compressed air pipe fittings, not of metal
19
Building materials (non metallic); rigid pipes and manifold pipe profiles and clamping rings of plastic for connection and attachment to central heating, ventilation, air conditioning systems and apparatus and refrigerating apparatus
35
Import/export agencies; trade agency services for national and foreign businesses; collection, for others, of such goods as: ventilation and air conditioning apparatus and installations, refrigerating apparatus, heating equipment with additional accessories enabling customers to view and purchase them conveniently in wholesale outlets, through agents and via a website specialised in air conditioning; marketing services; advertising, dissemination of advertising matter, samples and product designs; organisation and servicing of exhibitions and trade fairs for commercial and advertising purposes
37
installation and construction services in the field of general construction; general construction and installation of linear and distribution facilities for central heating, ventilation and air-conditioning; Installation, maintenance, inspection, overhaul and repair of refrigerating, heating, ventilation and air conditioning apparatus and installations
42
Research and development, technical project studies in the field of central heating, ventilation and air conditioning systems, engineering research, analyses and expert opinions, scientific, engineering and design studies, natural science research, engineering experts; material testing; technical and technological consultancy in the field of refrigerating, heating, ventilation and air conditioning materials and apparatus