Producing area: In sandy hillside and sand thick patch of grass,Produces in HuLunBeiEr Inner Mongolia and DaXingAnLing HeiLongJiang. Chemical ingredient: umbelliprenin, bergapten, coumarin, hentrimacontane. Package type: Vacuum plastic bags,2.5kg/bags,10kg/carton,20kg/carton, 25kg/carton.