The water for the Jiukangle health wine produced by Suining Yongkangle Biotechnology is taken from the Yin River under the Baishui River bed. The natural source of this long-flowing underground river is the four named by the Ministry of Geology and Mineral Resources. Drink the "China Jade Concubine Spring", one of the famous springs. According to the "Mianzhu County Chronicle": "Only the spring water in the west of the city can brew fine wine, but not elsewhere." The ancients had discovered it long ago, but could not explain it, and the legend about Yufei Spring has been passed down to this day.

A long time ago, there was a beautiful woman in Mianzhu. When she was a baby, her parents died and she was abandoned by a stream. The female sika deer in Lutang Mountain raised her with milk and drank the spring water of Gulong Cave. Her icy skin and jade skin were beautiful and gorgeous. The King of Shu adopted her as his princess and named her Jade Concubine, hence the name of the spring. Soon, Concubine Jade died of illness, and the King of Shu was buried in Wudan Mountain in Chengdu.

One year, there was a severe drought in Mianzhu, the river bed was dry and cracked, and the seedlings were scorched. Concubine Yu was awakened by the wailing of the elders in her hometown, flew back to Mianzhu, and threw the phoenix crown inlaid with four hundred pearls to the earth. Four hundred springs suddenly appeared, relieving her hometown's predicament. The spring water was used to make wine, and the wine was delicious. To this day, Yufei Creek and Four Hundred Eyes of Clear Spring are still on the land of Mianzhu.

Yufei Spring is controlled by the Longmenshan fault zone on the western edge of the Sichuan Basin and is exposed in the Jurassic gray conglomerate cave, namely Gulong Cave. The spring water flows out from the cave, which is endless in winter and not full in summer. It is refreshing and sweet, crystal clear and pure, with stable temperature. The water temperature and cave temperature are maintained at 13℃ and 16℃ respectively all year round. The stable daily flow is 1,154 cubic meters, and the salinity is 0.16 g/l. The spring water contains strontium and sodium. Low sodium strontium HCO3-Ca type water. In addition, the spring water also contains zinc, lithium, metasilicic acid, carbon dioxide, selenium and other chemical components that are beneficial to human health. According to the survey, there are many longevity people in the spring area.