Aprogen, Inc. engages in the manufacture, maintenance, and repair of heavy and chemical plant facilities. It operates through the following divisions: Hardfacing, Steel Sales, Insulation, Medicines, Medicines (Goods), and Biopharmaceuticals. The Hardfacing division refers to the maintenance of steel mills, thermal power plants, and cement factories. The Steel Sales division includes steel, aluminum ingot, STS, and titanium. The Insulation division focuses on nuclear power plant special insulation Nukon system, foamglas, and removable insulation 4R-cover (S/F). The Medicines division is involved in synthetic drugs. The Medicines (Goods) division relates to cosmetics. The Biopharmaceuticals division covers the production of biopharmaceuticals. The company was founded on November 15, 1971 and is headquartered in Seongnam-si, South Korea.