Haijixing wholesale market The primary source of vegetable wholesale in Nanning can be found in Haijixing Wholesale Market, which is the largest fruit and vegetable wholesale market in Nanning. Nanning, referred to as "Tancheng", also known as Greentown and Tancheng, is the capital of Guangxi Zhuang Autonomous Region. Nanning is located in the south of central Guangxi, facing Southeast Asia, backed by Southwest China, adjacent to Guangdong, Hong Kong and Macao in the east and Beibu Gulf in the south.