A: Xibei oat noodles are fermented food. A noodle has to go through the process of ingredients, mixing, waking up, rolling and pulling, panning, winding, stretching, hanging and drying. The only ingredients are salt, flour and water. Salt and water are fused according to the ratios, and salt water is added to white flour and repeatedly kneaded and pressed into dough. The store even has a special air-conditioned room to maintain a constant temperature of 24°C and 80% humidity to ensure that the dough wakes up nicely. Finally, after cutting strips, again wake up, on the shelf to dry, sun-dried noodles each one millimeter in diameter, continuous fermentation produces hollow holes, holes can be fully stored in the soup, so it can be very good flavor, repeated wake-up stretching, so that the noodles root and root tendon.