Supplement:
Shuijianbao, a traditional snack of Han nationality, belongs to Henan cuisine. It has a history of more than 500 years. It originated in the capital city of Tokyo (Kaifeng, the ancient capital) and is quite popular in North China and the Central Plains. In Hebei, Shandong and other parts of the country, it is called "fried dumpling", which is mainly distributed in Dongying City, Binzhou City and Zibo City of Shandong Province. Today, fried dumplings in Heze are the most famous. There are many unique "fried bag shops" on the streets of Heze City, and those fried bags with golden color and crisp outside are delicious and mouth watering.