Eucommia is a unique tree in China, and Eucommia is used as a foreign medicine. The history of utilization in China is also very long. "Shen Nong's Herbal Classic" is called "Xin Xinping." From the lumbar spine pain, supplementing the outside, harming the essence, strengthening the bones, strong ambition, except the sun under the itch, urinary effusion. Long-wearing light and old-fashioned. A thought Xian. The valley."

Lingbao jujube has been cultivated for more than 400 years, and is concentrated in the sandy soil of the Yellow River in Lingbao City. The fruit is large, mostly short cylindrical, with a single fruit weighing about 25 grams and a maximum of 33 grams. The peel is dark red, the meat is thick and small, the toughness is less, the taste is sweet, the meat is soft, the flavor is good, the fragrance is high, the sugar content is high, and it is suitable for making dried dates and jujube. Mr. Lu Xun once praised: "The red dates are excellent, and they are purchased by the South China Institute of Elementary Law." The famous translator Cao Jinghua also wrote a poem: "The monkeys probe between the branches, and the peaches have a fresh jujube."