Characteristics of Grade-3 Dianhong Black Tea With Yunnan large-leaf tea from our company's Fengqing tea base, this tea is processed and refined at the primary tea processing workshop of the base. Fresh Yunnan large-leaf tea contains rich tea phenol content, which is the best material for Chinese black tea due to its thick, strong and fresh flavor. Its quality is parallel to Indian and Sri Lankan black teas. This tea looks thick and full in form, rich in sweet fragrance; its liquor appears in red and bright with golden ring, the flavor is thick and steeped leaves are red clear.