... polythene) Navigation Buoy: Navigation Aids, Channel Buoy, Fairway Buoy, Mark Buoy, Safe Water Mark Buoy, Lateral Mark Buoy, Starboard Mark Buoy, Wreck Buoy, Cardinal Buoy, Foam Buoy, Company: Shandong Buoy&Pipe Industry ... UHMWPE hull have good flexibility, steel frame supported, and polyurethane foam filled 3. Light Weight: Light in weight, easy to deploy in ...