"Wang Zhihe" is the same age as "Tong Ren Tang", the brand was founded in the Qing Dynasty Kangxi eight years, has a history of more than 340 years, has won the title of China time-honored brand, China famous brand, China well-known trademark and so on. According to legend, Wang Zhihe, who was in the middle of the exam, stayed in the capital to sell tofu for a living in order to prepare for the next department. One day, I marinated the unsold tofu in the jar with condiments, and I forgot about it when I studied it wholeheartedly. After the autumn cool, he suddenly remembered that when he opened the small tank, Wang Zhihe, who couldn't bear to waste it, tried it boldly, and it had a unique flavor, and the neighbors were all surprised after tasting it. Today, Wang Zhihe has more than 100 varieties, covering more than 95% of the Beijing market, and 22 countries such as the United States, Canada, Australia, and Japan are also his markets. Of course, Wang Zhihe's most famous products are fermented bean curd and stinky tofu. His fermented bean curd brewing technique has been officially included in the national intangible cultural heritage protection list.