Commercial establishments specializing in wholesale trade include the sale of types of products originating from the conversion of crude oil in oil refining stations to products or derivatives in their initial form before processing them in the petrochemical industry such as methanol, urea and olefins, etc., or medium products such as fuel for cars, vehicles, airplanes and ships such as gasoline, kerosene, diesel and oil Fuel, sulfur and nitrogen compounds, etc., or heavy products such as bitume
