"Changqiying" hand-made hollow dry noodles are pure natural, pollution-free, selected extra-fine flour, salt, edible oil, farmers' eggs as raw materials. They are processed after more than 20 hours and more than 20 processes of pure manual craft, thin as silk, long cooking, twice cooked as new, easy to digest, with rich nutrition, which is also an ideal present, the best natural food popular among the old, the young, the patient as well as the puerpera likes. This noodle is a traditional specialty, which is made by pure handwork. Because of the complicated technology and limited yield due to the climate, it is more precious.