The production of workers with the best fine noodles with the right amount of oil, salt and mix, kneaded into thin strips, wear a small stick at both ends, to be fully penetrated by oil and salt, hung on a high wooden frame, slowly pull down with both hands, pull to a certain length, the noodles will form a hollow. Then let it fall naturally, dry in the sun, only take the center of the hollow part, that is, become hollow noodles.