About product and suppliers:
            1,153 oolong tea black products are offered for sale by suppliers on Alibaba.com, of which slimming tea accounts for 21%, oolong tea accounts for 9%, and coffee & tea sets accounts for 1%. 

A wide variety of oolong tea black options are available to you, such as fermented, stir-fried, and fresh. You can also choose from health tea, organic tea oolong tea black, as well as from fda, gmp, and haccp oolong tea black, and whether oolong tea black is loose tea, bagged tea, or tea drinks. 

There are 393 suppliers who sells oolong tea black on Alibaba.com, mainly located in Asia. The top countries of suppliers are United States, China, and Taiwan, China, from which the percentage of oolong tea black supply is 1%, 78%, and 14% respectively.