Gulin Square is a door for Pu'er to enter the world's boutique coffee industry.

Gu Lin Fang, which sounds like a name with ancient Chinese style, actually comes from English GREEN HOUSE. In Pu'er, although this store is not famous, it also attracts a lot of attention. There are often a group of blond foreigners in and out of it. More interestingly, it is not only a coffee shop, it also has a very special coffee laboratory. According to Ma, the person in charge of Gulinfang