Ginger includes Souchong ginger, large grade ginger, mountain ginger (wild ginger) and other varieties. It is better to use Souchong ginger for medicine. It is customary to call Souchong ginger "small yellow ginger". The cut surface of small yellow ginger is pure yellow, spicy strong, and tender. Taste fragrant, the fiber is finer. The varieties of mountain ginger are mainly small yellow ginger, which is the leader among the varieties of ginger. Our raw material base is located in Qujing, Yunnan, in the Wumeng Mountains in the middle of the Yunnan-Guizhou Plateau, with an altitude of 6,145′. Excavation starts from November to December every year. Ginger has less water, dense ginger shreds, strong ginger flavor and high oil content. Our extracted product has a strong ginger characteristic aroma and tastes spicy, high gingerol content, low ash content, good dispersibility, no residue, and no precipitation. High safety without organic residues and heavy metal residues.