Clarified flour. General hotel plating dough for its stability is better, the use of chenggong flour made of the so-called chenggong flour (chenggong noodles), also known as wheat chenggong noodles, is to use the flour processed to wash away the gluten, and then washed gluten flour and then through the precipitation, filtering water, and then the precipitation of the powder can be obtained by drying the sun, with the chenggong made of the dough is more stable, will not be easy