services and prototype manufacturing; testing and customized repair of small electronic and electrical devices; consulting on electromagnetic field (EMF) shielding and resale of EMF-blocking materials; e-commerce of all products; consulting and resale in the field of nutritional supplements; consulting on marketing strategies (including digital); consulting on promotions on social media for online channels and content creators with online broadcasts; consulting and investment in studios for online broadcasts (streaming) on the Internet; consulting and commercial development for medical devices, disposable medical products and consumables; consulting and sales agency for medical devices; sales of new or used medical devices; testing of new products; network, online and affiliate marketing; creation and sale of websites and consulting in the field of website creation.