RIO TINTO GROUP is UK and Australia based Metals and Mining Company. Company producing major products are aluminum, copper, diamonds, gold, industrial minerals (borates, titanium dioxide and salt), iron ore, and uranium. Rio Tinto had around 46,007 employees around 35 countries as on 2019.
They are strongly represented in Australia and North America, and also have significant businesses in Asia, Europe, Africa and South America.
Alrosa is a Diamond Mining Industry company. It operates across nine countries and ten regions of Russia. The company manufacturing techniques include planning, sawing, bruting, faceting and polishing division produces stones of 4-6 grams and above. The headquarters is in Russia.