The laying, splicing and termination of fibre optic and copper cables, as well as measurement and testing for long-distance fibre optic routes. The study, design, implementation, maintenance and testing of network and telecommunications systems. The exercise of activities in the field of metal construction, doors, windows, railings, sunshades, curtains and any other solar screening and related materials. The representation, purchase, sale, import and export of building materials of any kind. Consulting, marketing, brokerage, design, installation, assembly and any other activity related to the purpose; complete purpose in accordance with the statutes.