Detailed Product Description Products Class: plant extract Aactive ingredient: 11% Phenolic Hydroxyl Group, 2% tanninContent: 11% Phenolic Hydroxyl Group, 2% tanninDetection Method: Packaging : The package: 2.5kg double aseptic food poly vacuum-bag inside, 25kg per carton or according to customer requirement.English name: White willowThe main component:: 11% Phenolic Hydroxyl Group, 2% tanninThe ...