It is dried shrimp that has been pickled and dried. According to the query 520 Knowledge Network, Kaiyang is a Wu dialect in the Jiangsu and Zhejiang regions of China. It refers to pickled and sun-dried dried shrimps, which are used in cooking to enhance freshness and seasoning. Kaiyang refers to dried shrimps, which are also called dried shrimps or dried shrimps. They are white shrimps, red shrimps, and green shrimps from the sea, blanched in salt water, dried, put into bags, beaten and kneaded, sifted, and peeled to remove impurities. That is, Products made by adding salt, cooking, drying, drying, and shelling.