POSCO CHEMICAL CO., LTD. is a company mainly engaged in the production and sale of quicklime and anode materials. Along with subsidiaries, the Company operates its business through two segments. The Lime Chemical segment is involved in the production and sale of quicklime, anode materials, chemical products. It is also involved in the commissioned operation of chemical plants. The Refractory Manufacturing and Maintenance segment is involved in the manufacturing and sale of refractories, as well as provision of maintenance services for industrial furnaces.