The products is mainly used in the manufacture of pharmaceutical and health products.  It grows on the hill, under trees, and the edge of hurst . Its producing area is DaXingAnLing of HeiLongJiang . Chemical ingredient : saponin ,vanillin,and ethylvanillin included in the tuber , coumarin and minim alkaloid included in the terrestrial stem.

Package type: Vacuum plastic bags,2.5kg/bags,10kg/carton,20kg/carton, 25kg/carton.