Tangfa vegetable Xikou Tangji peasant hair cake. According to the inquiry of China Food Network, the Tangji peasant hair cake in Tangfaxikou is the most authentic and deeply loved by the masses. The store is located near No.3 Hesan Road 10-22, Kecheng District, Quzhou City, Zhejiang Province. Longyou Hair Cake is a specialty of Han nationality cakes in Longyou County, Zhejiang Province, and also a geographical landmark product of China. The production of Longyou Hair Cake began in Ming Dynasty, with a history of more than 600 years.