Muding Tiantai oil bean curd is famous, most of it is because of the water it uses - Muding Tiantai Yangjing water, there are 14 bean curd enterprises in Muding County, and Tiantai Yangquan bean curd is the representative of this. Tiantai Yangquan belongs to Yunnan Yangquan Biotechnology Co., Ltd., which is located in Muding County, Yunnan Province, which is known as the "hometown of fermented bean curd". "Oil fermented bean curd" is the main product of Tiantai Yangquan bean curd, fermented with high-quality soybeans and Tiantai Shiyang spring water, naturally fermented and dried by traditional folk technology, with chili, pepper and other condiments, and then soaked in edible rapeseed oil, the taste is mellow, not dry or greasy, and the salty taste is moderate. The official price of 200g is about 14.8 yuan, which is a more expensive type of fermented bean curd.