Alloys of common metal; bars for metal railings; doors of metal; ironwork for windows, namely, window frames; door fittings of metal; building materials of metal, namely, wall framings; window frames of metal; door cases of metal; door frames of metal; windows of metal; ironwork for doors, namely, metal door trim; insect screens of metal; refractory construction materials of metal; sash fasteners of metal for windows; chains of metal; metal window pulleys; fittings of metal for windows; door handles of metal; hinges of metal; runners of metal for sliding doors; door fittings of metal; roofing of metal; house numbers of metal, non-luminous; ironmongery, namely, cast iron

Building construction supervision; building construction information; installation of building insulating materials; installation of doors and windows; window cleaning; cleaning of buildings exterior surface; construction consultation; upholstering; roofing services

Technical research in the field of building; technical project studies, namely, computer project management services; research and development of new products for others; consultancy in the field of energy-saving, namely, energy measurement to improve energy efficiency; engineering drawing; quality control for others; product quality testing; industrial design; packaging design; design of interior decor