Established in March 1983, the Korea Jangsu Trading Corporation engages in the production of Kaesong Koryo insam widely known throughout the world and the export of processed insam. It has large insam plots in the Kaesong area, as well as the Jangsu Insam Processing Factory that conforms with GMP and a base for Koryo medicine and foodstuff development.

The corporation specializes in the development and production of Kaesong Koryo insam goods, which are highly efficacious for preventing and treating cancers, liver troubles, diabetes and heart diseases, reviving cerebral metabolism, enhancing sexual function and strengthening the immune system.

It turns out a dozen or so functional health foods including Kaesong Koryo Insam Tea, Hongsam Ogok Rice, Kaesong Koryo Insam Ham, Insam Noodles, Kaesong Koryo Insam Jelly and Kaesong Koryo Insam Nutritious Taffy, and other processed insam goods. And more than 50 kinds of Koryo medicines including Kaesong Koryo insam and matrimony vine fruit tonic syrup, Sipjondaebo-Hwan, Kwibi-Hwanand Samhyanguhwangchongsim-Hwanare manufactured by the corporation, all products enjoying great popularity at home and abroad.

Kaesong Koryo Insam Wheat Flour, one of its products, is made with clathrate insam saphonin and dextrin and obtained a patent of the DPRK in July 2012. It won the best inventor prize by WIPO in August that year.

The pizza made with the insam wheat flour drew the public attention at the world expo held in Milan, Italy, between March and September in 2015.

While directing continuous efforts into developing more insam goods, the corporation strengthens economic cooperation and exchange with foreign counterparts.