... and beautiful projects, like pier, marine,breakwater, walk way, floating dock, floating pontoon, pontoon brigde, fenders, bollards,swimming pool and so ... and beautiful projects, like pier, breakwater, walk way, floating dock, floating pontoon, pontoon brigde, fenders, bollards,swimming pool and so ... , and so on.3, Higher capacity, cylinder stable, durable and buoyancy per square meter of up to 350 kg ...