Chengfen, also known as Chengmian, Tingfen and Wheat Starch, is a kind of gluten-free flour with wheat as its ingredient, which can be used to make various snacks such as shrimp dumplings, vermicelli and rice rolls. Chengfen is processed flour. After rinsing with water, the gluten in the flour is separated from other substances, and the gluten becomes gluten, and the rest is Chengfen.

Fully transparent crystal dumplings made of powdered orange are generally used for steaming instead of boiling. This kind of dumpling skin is not transparent at first, but becomes transparent after heating. You can see the fillings in different colors through the dumpling skin, which is very beautiful in color and strong in taste. In addition to making crystal dumplings, Chengfen can also make cold noodles, vermicelli, rice rolls, crystal cakes, etc. For example, Chengfen cold noodles are made by mixing Chengfen, flour, water and salt into a batter, then steaming it in a pot, and finally adding seasonings and mixing well. The method of making powdered fruit is to mix powdered fruit, raw flour, water, salt and lard, stir them into dough, then wrap them in stuffing, and finally steam them in a steamer.