Why is the beef noodles in Neijiang more delicious than those in other places? Noodles or other ingredients?

Both are problems. Neijiang's noodles are water, smooth and soft, but chewy. After cooking for a long time, they are not soft, and then they are easy to taste. The ingredients are more delicious, not because of the excessive use of monosodium glutamate, but because of the taste of Neijiang people, so the number of ingredients and the varieties selected contribute to the good taste. Although these ingredients are used in other places, they can't adjust the taste. Also,