Flat White Coffee and Kopi susu are produced all around the globe. And they change according to region in where they are cultivated. So, the question arises what is Flat White Coffee and Kopi susu's differentiating factor?In following section we will take a close look at what is Flat White Coffee and Kopi susu color, serving style, types and much more. First thing to know is what are the different types of Flat White Coffee and Kopi susu. Well, Flat White Coffee types include while types of Kopi susu are .