SME 1988 ARIM Shipping materials manufacturer, Deck machinery, Vessel Apparatus, Windlass, Winch, Steering gear, Crane and more
SME 2004 D-I Industrial Marine gear, Hydraulic reducer, Steering gear, PTO, Side truster, Power take off, Vessel engine reducer
SME 1997 SEGAE Hyrdaulic Ship components, Steering gear, Winch, Engine and more, Heavy machine components, Concrete pump car, Excavator and more, Defense industry
SME 1993 YOOWON Industries Filter, Various deck equipment, Lubricant feeding equipment for generation facility