Chengnan District, Aksu City, Aksu Prefecture. According to Baidu map, the northeast corner of the intersection of South Ring Road and South Second Ring Road in Chengnan District, Aksu City, Aksu Prefecture, Xinjiang Uygur Autonomous Region. This is one of the larger second-hand construction machinery trading markets in Aksu, and there are many kinds of second-hand construction machinery and equipment, including excavators, loaders, bulldozers, road rollers and so on.