1Propolis content>30% 2Flavonoids >4%-6% 3Lead(pb)<0.6ppm 4Mercury(Gn)<0.2 5Packing :confirm to client Product detailed description Product NameNatural Raw PropolisWhat is Propolis?Bee propolis is the substance formed by the boron liposome secreted by the plant bud callus,the secretion of the digestive gland wax gland of worker bees and the interaction between these two types of substances.Bee ...