Health foodstuffs and medicines are made with its fruits known very good for health.

Hyesan University of Agriculture and Forestry conducted study to adapt saplings to the climatic and soil conditions of the province, thus confirming the possibility for the wide cultivation of the trees in the northern areas.

The provincial Koryo medicine production and management station set a goal of raising productivity by tissue culture method.

Through cooperation with researchers it built tissue culture room and greenhouse, thus opening a prospect for mass-producing saplings.

The saplings are now taking roots in Hyesan City, Kim Jong Suk County and other areas of the province.