Waipaojia Catering Group, founded in 1998, began its development from the "Waipaojia" restaurant on Macheng Road in Hangzhou. 21 years, Waipaojia is spread throughout the north and south of the Yangtze River, and with an average of 20 new stores opened each year, the speed of the annual growth rate of the number of stores.

Under the banner of Grandma's Restaurant Chain, Grandma's, Crossing, Golden Grandma's, Stove Fish, and Steamed Fish, Grandma's is the largest restaurant in China. ", "Steamy Green", "Banquet West Lake", "Hang'er Style", "Chaitian West Point "Hang Er Feng", "Chaitian West Point", "Piggy Dad" and more than ten other well-known brands. Each brand continues Grandma's House's pursuit of fashion, taste, and health, with high-grade decoration, full personality, standard operation, and attentive service, which makes Grandma's House popular in Hangzhou, the Yangtze River Delta, and even all of China, and has created the legend of the catering industry of "opening a fire" and "queuing up in the store and queuing up in the dining room". "It has created a legend in the catering industry.

Over the past 20 years, Grandma's has won many honors. "Grandma's has been selected by the international authoritative food magazine as the "Annual BEST50 Best Restaurants in China"; Grandma's Catering Group has been listed among the Top 100 Catering Enterprises in China for five consecutive years, and has become one of the "Top Ten Catering brand".