Because the Third Prince Instant Noodles Factory closed down. Instant noodles are a common fast food. There are many main processing steps for instant noodles. Because the Santaizi Instant Noodles Factory closed down and stopped producing Santaizi Instant Noodles anymore, it stopped production. Santaizi pioneered "non-fried instant noodles", and the group developed and produced series of instant noodles such as Santaizi, Yiwanxiang, Ramen Clan, etc.