On June 8th, 2017, South Korea clients purchase our heavy duty marine lifting airbags used for launching 3000Tons concrete dock, due to the limited space by the site itself, the airbags must embedded concrete which below the floating dock, after finished built, the airbags will be directly inflate to lift the dock to launch. For this project, after a few weeks discussion, finally, we choose airbag specification for Dia 1.0m x 18m Length, Quantity: 16 Pcs to lift the concrete dock launching successfully, the picture is airbag ready to launching!