The materials used are different. "Baixiang" brand series of instant noodles is a famous brand of Baixiang Group Food Co., Ltd., and is a "Henan Province Famous Brand Product" and a "China Famous Trademark". The reason why Baixiang's Laotan Pickled Cabbage Noodles feel sour is because different brands use different ingredients. The reason is that the ingredients used in Baixiang's Laotan Pickled Cabbage Noodles are more sour. Laotan Pickled Cabbage Beef Noodles is a hot-selling flavor of instant noodle products. Compared with other products, its biggest feature is the addition of pickled cabbage seasoning packs, which have a unique taste.