Why is it more profitable in non-ferrous metallurgy to create plants with integrated processing

Why is it more profitable in non-ferrous metallurgy to create plants with integrated processing of raw materials than in ferrous metallurgy?

Since there are several components in the composition of the non-ferrous metal ore, in contrast to the iron ore, and since this increases the amount of associated components that have been extracted from the non-ferrous metal ore.



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