... CCS RINA RS BV LR GL Marine air sac for dock use for ship landing Product Introduction:Marine ship airbags are also known ... roller bags, air lifting bags, salvage bags,marine rubber airbag. Airbags now are used for ship launching, loading, and floating. They are ... -concrete products (such as caisson, box culvert, and bridge), oil drilling equipment and integrated building, etc.?2. Floating and filling ...