Xindu Building, Nanhui Street Railway Station, Lucheng District. Wenzhou has fertile soil, numerous rivers and lakes, and rich marine resources. It is the "Land of Fish and Rice" in the south of the Yangtze River. The main food crops are rice, and the main economic crops include more than 160 kinds of citrus, tea, loquat, bayberry, sugar cane, jute, tomato, etc. Black Swan underwear is sold at Wenzhou Ouyue Patent Agency Co., Ltd., the company address is Nanhui Street, Lucheng District Railway Station Xindu Building.