Supplying necessary spare parts with machining and repairing works for overhauling and replacing Doosan engine and MAN engine; repairing Hydromaster propulsion units, gearboxes, radiators, water pumps, self-starters, alternators, and electrical systems of different ferries; supplying various engine filters and MS plates with fitting-fixing work for pontoons; and supplying spare parts for engine overhauling, fuel, brake, suspension, transmission, hydraulic, air-conditioning, electrical systems, and denting-painting works of heavy-duty cranes, rollers, trucks, pick-ups, and Pajero/Toyota jeeps. (Published on 02/11/2026).