Navigation Buoy: Maintenance-free Collision-resistant Long life Environment Friendly UHMWPE (Ultra high ... manufacturer and exporter OEM service: Available Size: CMB1200, CMB1500, CMB1800,CMB2100,CMB2400,CMB3000 Main characteristics: 1. Maintenance Free: No need paint and ... in weight, easy to deploy in the sea 4. Longer Service Life: anti-aging, corrosive resistant, and good durability 5.Environment ...