Yufei Mineral Water comes from the fissures in the layer of granite under Maogang Hill. In the year 1992, the wellspring passed the national indentification, silicic acid content of 57.2 mg / L, strontium content of 0.18 mg / L, PH value of 7.3, alkalescent water. The constant and trace elements, and other indicators in the water are in full compliance with GB8537-95 standard (an authoritative standard in China).