a. Place of Origin: the uncultured land and arid plateau of Helan Mountain in Ningxia.
b. Irrigation Water: wild growth, natural raining Water
c. Soil: Helan Mountain uncultivated tableland and slopes.
d. Growth environment: 150 kilometers around are barren hills and desert Gobi along the Helan Mountains. None human life pollution, industrial pollution and air pollution.
e. Planting Standards: wild plants, non-artificial planting.
f. Product features: small particles, mixed colors, pure natural, pollution-free, and sufficient nutritional content.