About Daqing: Daqing, located in the Songnen Plain of Northern China, is the most mesmerizing sand elm wetland in China. Daqing has the most famous oil field in China, Daqing Oilfield. Daqing City has a vast area of reed marshes. May to September is the main tourist season of Daqing. Grassland, flowers, lakes and fresh fish welcome tourists from the north, south and overseas to Daqing.