International trade city. According to Baidu map, Kunming Luosi Bay is a wholesale market in Kunming, Yunnan Province. Kunming Luosiwan International Trade City wholesales wheelchairs, which is the largest daily commodity wholesale market in Yunnan. You can wholesale all kinds of wheelchairs here. Kunming, the capital and largest city of Yunnan Province, is located on the Yunnan-Guizhou Plateau in the southwest of China and is rich in natural and human resources.