STX Engine Co.,Ltd. is a Korea-based company mainly engaged in the manufacture of diesel engines. The Company provides three categories of diesel engines: marine diesel engines, which are used for used for liquefied natural gas (LNG) vessels, oil tankers, container carriers and others; power plants, including medium-speed diesel power plants and low-speed diesel power plants, and military diesel engines, including navy vessel engines, maritime police engines and others. It also engages in the manufacture of electronic communication equipment, such as underwater acoustics, radar systems, tactic communication systems, battle systems, ship automation systems and compromising trade systems.