Marine ship outfitting parts are professional supporting components for vessels, including weathertight, watertight, airtight and hydraulic steel doors, various hatch covers, marine portholes, rectangular and customized steel windows. Widely applied in ship cabins, decks and cargo holds, they perform functions of weather and water sealing, fire & air isolation, wave splash prevention, ship subdivision and unsinkability assurance, hatch sealing, cargo protection, as well as cabin daylighting and ventilation.