Origin: growing in coniferous forest and mingled forest in the west slope of DaXinAnLing and DaXinAnLing area in HeiLongJiang province.

Chemical ingredient : leaves contain ursolis acid, arbutin, pyrosde, 6-o-acetyl-arbutin, salidroside, 4-hydroxyphenyl -gentiobioside, avicularin, quercetin 3-D-qlucosyl-L-rhamnoside, 2-o-caffeoylarbutin, iso-quercitrin, -catechol, I-epicatechol.

Package type: Vacuum plastic bags, 2. 5kg/bags, 10kg/carton, 20kg/carton, 25kg/carton.