Floating salvage airbags are widely used in the Marine industry for salvage and buoyancy assistance, including the rescue of standard ships or sunken ships. Maritime salvage and rescue projects are unexpected, time-efficient, lifting equipment and high cost; If the salvage company adopts conventional lifting methods, it is usually affected by large lifting equipment or high cost. The use of salvage airbags is a faster and more flexible way to carry out salvage and rescue work.