The Corporation groups the Rangnang Chonwon Serpentine Processing Factory and the Yongwon Building Materials Exchange Company.

In this regard, Hyon Chang Sun, director general of the Corporation, told KCNA:

The modernly-equipped factory produces 10-odd kinds of building fixtures and stone goods with serpentine. Among them are handrail, wall tile, window board, paint, white marble, table and flowerpot.

The company produces different kinds of building materials and stone crafts with quality natural stones like granite and marble.