A large number of towering ginkgo trees beside the single building, sunshine patio, Chinese style courtyard, sunshine Qingbo, Koi play color, erhu Yangqin, folk music around the beam: a priceless calligraphy and painting, pieces of Ming and Qing Dynasty furniture, pots and pans of rare bonsai, engraved with traces of time and years, hard to copy, revere in the years. The first sitting mansion is committed to spreading healthy food and traditional culture. It adheres to the belief that "food makes life better, and health makes life more wonderful". It strictly selects healthy and rare food materials. It mainly specializes in custom-made ceramic tableware for "health preserving official cuisine and traditional Sichuan cuisine". It also enjoys tea and friends and has a good time to relax.

Chongqing caixiangyuan catering culture Co., Ltd. was founded in February 1999. After nearly 20 years of development, it has developed from a single store at the beginning of its business to a series of catering chain brands, such as "caixiangyuan", "first sitting mansion", "zuihu beautiful banquet", "state cattle fresh goods", "tongue tip memory", "shibati", "xiaohuanxi", etc., integrating high school, fashion, health and community catering As one of the well-known catering enterprises, it has been selected into China"s top 100 catering enterprises and Chongqing"s top 100 business circulation enterprises for many times. In August 2015, it was recognized as "China"s famous trademark". It is the vice president unit of Chongqing catering chamber of Commerce and Chongqing catering industry association, and the president unit of Jiulongpo District Catering Industry Association. Its brand "first sitting mansion" has been ranked as the world"s best restaurant in laliste, France in 2019, and has been selected into the guide of Black Pearl Restaurant in 2018 and 2019. Diamond Restaurant is one of the global partners of the public welfare project "Black Pearl nutritious lunch" of the world food program.