Xihua County, Henan Province. According to Wang Po prawn in Washi joined official website, Wang Po prawn in Washi is headquartered in Xihua County, Henan Province. According to legend, Nu Wa fills the sky here. Kunshan has the ruins of Nu Wa City, Nu Wa Palace and other places of interest, so Xihua is also called "Wacheng". Wang Po prawns in Washi got its name. Wang Po prawns are added to the core seasonings of the people and the market, and 48 kinds of Chinese herbal medicines are collected at the same time, which are spicy and dry, and 30 kinds of special seasonings are rich and lasting. They are all refined, homemade, full of energy, soft in flavor, tasteless in vegetable oil, not spicy in real food, and very tasty in both north and south. In order to realize "Wang Po prawn joining", they traveled all over the country.