The production of twist requires the use of raw materials such as flour and oil, and the price will fluctuate with the change of raw material cost. The price of raw materials such as flour and oil is higher, and the price of twist will rise accordingly. Production costs such as labor, equipment and energy need to be considered in the production of twist. If the production cost is higher, the price of the twist will increase accordingly, so the twist of Tianjin 18th Street is 68 kg.