The name Oolong is derived from the Chinese word "Wu-lung", meaning "Black Dragon". Oolong is a semi-oxidized whole leaf tea that falls between fully oxidized black teas and unfermented green teas. They are processed to be full-bodied teas and are therefore made from larger, more mature leaves.

Oolong tea was first produced at Mount Wu Yi Shan in the Fujian province of China around 400 years ago, at the end of the Ming dynasty. Today, oolong is grown almost exclusively in Taiwan, which produces over 18,000 metric tons annually.

In Taiwan, the making of oolong teas is regarded as a precious art, one that requires years of expert training. Dedicated study and practice, combined with the unique nature of the Formosa tea leaves to produce the exceptional quality oolongs that have made the island's teas famous. A pound of precious oolong can sell for hundreds of thousands of dollars on the private market.

Semi-Fermented teas. These teas can be re-steeped up to 7 times depending on quality .