Where is the origin of sunflower seed

Sunflower seeds, or sunflower seeds, can be used for food and oil. The main producing area of sunflower seeds in China is Bayannaoer City, Inner Mongolia. In addition, sunflower seeds are produced in Xinjiang, Gansu, Shaanxi, northeast provinces, Hebei and Shandong in the north, and a small number of sunflower seed bases are distributed in the south.