Upper middle class, Wuyi Ruifang belongs to the upper middle class. Wuyi Ruifang Tea Shop was established in 1899. It was founded by Mr. Jiang Taiyuan, who made tea from Jiang's rock tea, at the dock in Chong 'an County, Wuyishan. It is a famous teahouse in the late Qing Dynasty, and opened branches in many places in its heyday. Local chronicles once recorded that "drinking Wuyishan tea only makes Ruifang top grade". Mr. Jiang Taiyuan has many unique features in the cultivation and processing of tea, especially narcissus, which is favored by tea merchants and customers all over the world, which is clearly recorded in the old account book of Ruifang Tea House.