Binani Industries Ltd is an Indian business group based in Mumbai. It is a 143-year old business conglomerate and belongs to the legendary Braj Binani Group. The business portfolio of Binani Industries includes sectors like cement, zinc, glass-fiber, and downstream composite products. Using only the above description and what you know about the world, "After having been in business for almost 150 years, Binani has discovered that the sectors of cement, zinc, glass-fiber, and downstream composite products are the most profitable business sectors." is definitely correct, incorrect, or inconclusive? 