How are the red soup noodles of Aozao Noodles made?

Aozao Noodles is most famous for its fried fish noodles in red oil and braised duck noodles in white soup. Fish noodles fried in red oil, thin white noodles, red soup color; braised duck noodles in white soup, white noodles and white soup, original color and flavor. The traditional method is to boil the scales, gills, meat and mucus of herring, so it is extremely delicious. Secondly, the dumplings are very particular. The fried fish is always made with herring, and the braised duck is cooked with "Kunshan hemp duck" and old soup, so it is fat but not greasy. What’s more, the noodles are processed into dragon whisker noodles from fine white flour, and when put into the pot, they are scooped out quickly to make them soft and hard. Aozao Noodles pays the most attention to "five heats in one, small ingredients to make soup". The so-called "five hots" are bowl hot, soup hot, oil hot, noodle hot, and dumpling hot. "Small ingredients for soup" means that the soup is not mixed in a big pot, but mixed according to what the guests use to maintain the original taste.