Long Black and Puer Tea are produced all around the globe. And they change according to region in where they are cultivated. So, the question arises what is Long Black and Puer Tea's differentiating factor?In following section we will take a close look at what is Long Black and Puer Tea color, serving style, types and much more. First thing to know is what are the different types of Long Black and Puer Tea. Well, Long Black types include Espresso, Ristretto while types of Puer Tea are Sheng Pu’er (Raw pu-erh Tea) and Shu Pu’er (Ripe pu-erh Tea).