Shuanglong Town of Huangling County is located at the foot of Ziwuling Mountain at the border of Shaanxi and Gansu provinces. There has dense vegetation, abundant sunlight and large temperature difference between day and night. The rice growing period is as long as 210 days, and the rice produced has been honored as “Shuanglong Tribute Rice” since ancient times. Due to the adoptionof “rice and shrimp symbiosis”mode, the ricehasexcellent quality because of fish, the grains are fine and close and white in color, and the cooked rice looks pure white and moistening, smells fragrant and tastes elastic, winning fullpraisefrom people who have tasted them. Moreover, the rice produced in Taoqu and Chaota in Diantou Town of Huangling County has the same quality and is a specialty not to be missed.