Situated in Yangpu Economic Development Zoo, Qiannian Salt Field is the oldest well-preserved salt field in China with history of 1,200 years. It covers area of 750 mu (1/15 of a hectare). The scorching sun and high salinity in seawater are the advantages this salt field enjoys. This salt field exposes to the flaming sun all year round. It produces white and soft salt ceaselessly. Many salt ridges are connecting one another in various shapes. There are around 30 households still making a living on salt production in this area. As the wind is strong and sun is scorching, the salt produced here features pure in content, small in granule and better in taste. For 1,200 years, the local people use the nature-bestowed salt for their cooking. It is said that the original salt makers are from Putian county, Fujian province. When they arrived here, found the good geographical location and perfect atmosphere for salt production, they decided to stay till now. It is a place lagged behind, but very safe and harmonious.