Niukeng Cinnamomum cassia belongs to Wuyi tea, which refers to osmanthus tea produced in Niulankeng area of Wuyishan District, and is quite famous. Niulankeng Cinnamon is made of fresh tea leaves from alpine tea gardens, which are baked and twisted twice. So cinnamon in the cowshed tastes like grass.

Wuyi tea is Wuyi rock tea. Wuyi Rock Tea is a traditional famous tea in China, and it is an oolong tea with rock rhyme (rock bone flower) quality characteristics. Produced in Wuyishan area, southeast of Xiujia in northern Fujian, tea trees grow in rock crevices. Wuyi Rock Tea has the fragrance of green tea and the sweetness of black tea, which is the best in China Oolong Tea. Wuyi rock tea belongs to semi-fermented green tea, and its production method is between green tea and black tea. The most famous Wuyi rock tea is Dahongpao.