Angbin is one of the main ingredients of Gaz, the flour obtained from the Angbin plant, and this plant is found in abundance in the Chahar Mahal and Bakhtiari mountains. Although the price of this substance, which forms the main taste of Gaz, has become very expensive, In four places in Bakhtiari, due to its proximity to the source of its growth, it is procured at a lower price, and the use of natural sorghum in the production of teas has led to the production of quality teas and is the most important factor in the growth and development of teas in this province.