a. Place of Origin: Gansu province Lanzhou city, Yuzhong county, Lintao county
b. Irrigation Water: wild, no need to irrigate artificially.
c. Soil: Loess barren hills, no pesticide residues, crop pests and agricultural diseases.
d. Growing environment: The planting surroundings are mostly alpine mountains and loess hills without human life pollution, industrial pollution and air pollution.
e. Planting Standards: wild plants, non-artificial planting.
f. Product features: Color present like jades, as bright as crystal, bite is soft, and the taste is sweet; it has the effects of moisturizing the lungs and relieving cough, clearing heat, detoxification and improving temper control.