Richun's Niulankeng is good. Fan Yan Niulankeng Cinnamon is a sub-product of Rih Chun Tea Company Limited, with high cost performance and delicate flavor. Harvested from the Wuyi Mountain three pits and two streams core production area - Niulan pit, the production of rare, selected the best longan charcoal, using the most traditional charcoal roasting method, refined roasting into.