Nine dollars and nine chefs are reliable. Jiukuaijiu Kitchen belongs to Shandong Yang Yang Catering Management Co., Ltd., which was established on 20 18, and is located at Shop 108, Building 28, Shimao Tiancheng, tianqiao district, Jinan City, Shandong Province. Yang Yang Enterprise was established on 1996. In just over ten years, Yang Yang has many snack chain stores and two Tibetan restaurants, and has its own large-scale product processing and distribution center, which adopts unified procurement. Yang Yang enterprises have been rated as trustworthy enterprises by Beijing Administration for Industry and Commerce for many years, and have grown into a banner of regional catering industry.