Mazooji a galls on oak species Quercus infectoria by wasps arise. This gal has 50 percent tannin.
Mazooji substance found in the leaves, branches, stems, roots and fruit of some plants found this article by special insects on trees, especially oak is dense.
there are 2 kinds of gull nuts: white gall nut and green gull nut.
packing is pp bags and 30 kg weight.