Notopterygium (Latin name: Notopterygium incisum) belongs to apiaceae plants and perennial herbs. It can be as high as 60- 120cm. Its bamboo- like root is very thick and strong. Besides, its cylindrical root is erect and hollow with purple longitudinal straight pinstripe. There is withered leaf sheath on its root neck.
Notopterygium is a kind of Chinese traditional medicine, which can cure exogenous cold, headache but no sweat, cold dampness, upper extremity rheumatic pain and so on. It grows within forests and thickets which are 2000- 4000 meters high above sea level and distributes in China's Shanxi, Sichuan, Gansu, Qinghai and Tibet.
Our 3 HP air source heat pump dryer unit assembled with 10m3 thermal drying room can hold about 250kg fresh notopterygium at a time and it only needs 30 hours to dry them all.