The products of Sjmatek Marine Machine Co., Ltd. include marine special propulsion devices and systems, air cleaning equipment and air conditioning systems, sewage treatment equipment, seawater desalination devices, etc. Among them, marine special propulsion devices and systems include main propulsion adjustable pitch propeller systems, full-turn rudder propeller systems (two types: CP and FP) systems, and lateral thruster systems (two types: CP and FP) systems.