Jinqiao agricultural products wholesale market. According to relevant public information, Nanning can wholesale corn seeds in Jinqiao Agricultural Products Wholesale Market. Nanning, also known as Greentown and Tancheng, is a prefecture-level city, capital, I-type big city and the core city of Beibu Gulf urban agglomeration under the jurisdiction of Guangxi Zhuang Autonomous Region, a central city of Beibu Gulf Economic Zone approved by the State Council, and a comprehensive transportation hub connecting the southwest sea lanes.