What grade does cinnamon belong to?

Golden chair cinnamon belongs to oolong tea, with a premium of more than 5000 yuan per catty. According to relevant public information, osmanthus tea tastes sweet and is oolong tea made of Wuyi rock tea. It has a strong aroma, is second-class, and the price is divided into third-class gold chairs. It was originally a famous cluster of Wuyi in Qing Dynasty.