How do the production, trade, and consumption of coffee contribute to global inequality and poverty?

In current Global Coffee market, most companies followed this mechanism:

- Buying the coffee beans from exotic regions such as Emirates Arab, Brazil, Indonesia, etc.

- Adding them with various ingredients

- Resell it to countries all over the world at a significantly higher price.

In this mechanism, the actual producer of the coffee do not even earn 1/4 of the companies in industrialized nations earn, which contribute to the Global inequality.