STX Heavy Industries Co., LTD, formerly STX Metal Co., Ltd, is a Korea-based company mainly engaged in the manufacture of ship engine components. The Company operates its business under two segments: engine component and shipbuilding material. Its engine component segment mainly produces diesel engine components, including cylinder blocks, crank shafts, cylinder liners and turbochargers, cylinder heads, pistons, cam shafts and connecting rods, which are used in ships and power generators. Its shipbuilding material segment provides cargo oil pump systems, heavy fuel oil (HFO) supply system units and purifier units. The Company distributes its products within domestic market and to overseas markets. On January 1, 2013, the Company completed its merger with STX Heavy Industries Co.,Ltd, which mainly engaged in large diesel ship engine business.