Navigation Buoy: Maintenance-free Collision-resistant Long life Environment Friendly UHMWPE (Ultra high molecular weight polythene) Navigation Buoy: Navigation Aids, Channel Buoy, Fairway Buoy, Mark Buoy, Safe Water ... Navigation Buoy Business type: manufacturer and exporter OEM service: Available Size: CMB1200, CMB1500, CMB1800,CMB2100,CMB2400,CMB3000 Main characteristics: 1. Maintenance Free: No ...