Wing cafe is an influential Chinese coffee food chain brand, has focused on coffee 15 years, mainly responsible for the coffee drinks in our mouth, i think all people who love coffee  have tasted its flavor, feel its charm.However such a delicious coffee is how to produce?Sure rely on coffee bakers baking skill, but more important is use good quality coffee roasting machine, and Zhengzhou machinery co., LTD can produce perfect coffee roaster machine .It means you are out If you don't know HAORAN, just to know it.