Foam Buoy

Foam Buoys Type
SUNHELM designs and manufactures all types of marine buoys, offering customized solutions based on technical expertise.
Cylindrical-buoys
Cylindrical buoys are built around an internal steel frame surrounded by a resilient closed-cell foam core, ensuring unsinkable and self-fendering performance even if damaged. Their outer skin is made of abrasion- and UV-resistant polyurethane elastomer, which can be reinforced with nylon for enhanced tear strength in extreme conditions.
Chain Through Buoys
Chain Through Buoys provide practical advantages including easy handling, corrosion resistance, and minimal upkeep. Engineered to be unsinkable and burst-resistant, they also feature self-fendering for impact protection.
Pick Up Buoys
Pick-up buoys combine practical handling, lasting durability, and resilient performance—featuring corrosion resistance, minimal maintenance, and an unsinkable, self-fendering design that absorbs impact.
Barrel Mooring Buoys
Barrel mooring buoys deliver key advantages: ease of handling; long-lasting, low-maintenance operation due to high corrosion resistance; and ultimate safety as unsinkable, burst-proof units with impact-absorbing self-fendering.
Suitcase Buoys
Suitcase buoys Suitcase anchor pendant buoy has a rectangular shape with a lay-flat surface. This shape ensures the buoys can be safe storage and transported economically. The inner central steel frame has enough support branches to ensure the foam core cannot be move.
Spherical Buoys
Spherical Buoys feature a durable central steel structure with a closed-cell foam core and an abrasion-resistant polyurethane coating, providing high buoyancy and superior impact absorption. Reinforceable for extreme conditions, they are fully customizable in color, fittings, and size, offering a robust, low-maintenance solution.
Mooring Cases
With 20 years of expertise in marine mooring systems, we specialize in optimized solutions for mooring piles, anchor chains and floating buoys. Our AI-enhanced designs and hybrid technologies deliver 20-50% performance improvements over conventional approaches, ensuring reliable and cost-effective mooring for offshore operations.
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International Leading Foam Buoy Manufacturer

SunHelm Marine Co., Ltd. is a Chinese manufacturer specializing in maritime products. SunHelm Marine currently has several large-scale modern factories and R&D centers. SunHelm Marine mainly produces pneumatic fenders, marine rubber fenders, foam fenders, hydro-pneumatic fenders, marine airbags, marine salvage airbag, caisson moving airbags and other products.
Based on ship industry chain, SunHelm Marine has expanded its market layout, main business involves ship mooring and berthing, marine engineering, port construction and other fields. SunHelm provides customers with systematic, comprehensive and creative services.
After nearly 20 years of development, product and technology applications have covered more than 80 countries and regions in 7 continents, SunHelm Marine became the well-known brand in the world.




















