The products is mainly used in the manufacture of pharmaceutical and health products. It grows on the still water surface , lakeside or pond . Producing area : Hulunbuir of Inner Mongolia and DaXingAnLing of HeiLongJiang . Chemical ingredient : flavonoid A(1)C21H20O11 Package type: Vacuum plastic bags,2.5kg/bags,10kg/carton,20kg/carton, 25kg/carton.
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