Publicity and sales promotion services; marketing services; organization of exhibitions for commercial or advertising purposes; distribution of samples for publicity purposes; demonstration of goods; accounting services; business management assistance; marketing research and conducting marketing studies; data provision for commercial purposes, namely, analyzing and compiling business data; provision of an online marketplace for buyers and sellers of goods and services; business advisory and consultancy services relating to the procurement of goods for others; data search in computer files for others, namely, office functions in the nature of searching for data in computer files for others; invoicing; import-export agency services; wholesale store services featuring castings, foils, powder, and rolled, drawn or extruded semi-finished articles of copper or its alloys; retail store services featuring castings, foils, powder, and rolled, drawn or extruded semi-finished articles of copper or its alloys; wholesale store services featuring copper foils; retail store services featuring copper foils; wholesale store services featuring cathodes; retail store services featuring cathodes; wholesale store services featuring anodes; retail store services featuring anodes