Crabs are divided into five grades. Qixintian brand was founded in Jiangyin City, Jiangsu Province in June 2006, mainly engaged in seafood hot pot, and established a new seafood eating method of "one pot and two meals". Since Jiangsu Qixintian Restaurant Management Chain Co., Ltd. was formally established in 2009, by the end of 20021,Qixintian had 257 stores all over China, covering Jiangsu, Shanghai, Zhejiang, Fujian, Guangdong, Hainan, Hubei and Hubei. To provide high-quality dining experience for tens of millions of consumers every year, the price of crabs is divided into five grades, 98, 108,18, 128, 158, and then seafood, including abalone, cuttlefish seeds, mussels, can be added. Suggest adding shrimp.