Union Corporation is a Korea-based company engaged in the manufacture and sale of cement and rare metals. The Company operates in two business segments: cement segment, which manufactures white Portland cements, alumina cements, hardening cements and tile adhesive cements, which are used as construction materials and others, and rare metals segment, which provides vanadium, molybdenum and others used for manufacturing of steel, as well as filters, dryers and others. It also provides white fused alumina, high-strength grouts, non-shrinking grouts, hardening grouts, tile adhesives, tile bonds, mortars and others. The Company distributes its products within domestic market and to overseas markets, such as Taiwan, Japan and Thailand.