Custom Carbon Fiber Sports Equipment Manufacturer | OEM Composite Products
Foni Carbon Sports is a carbon fiber sports equipment manufacturer in China, specializing in OEM and custom composite products for global sports brands and distributors.We manufacture lightweight carbon fiber products including hockey sticks, hydrofoils, freediving fins, SUP paddles, shin guards, and other custom sports equipment using advanced prepreg carbon technologies. Our core manufacturing capabilities include Compression Molding, Autoclave Processing, and Resin Transfer Molding (RTM), enabling us to produce high-strength, lightweight carbon fiber parts with complex geometries.
Compression Molding
Autoclave Molding
Resin Transfer Molding (RTM)
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3K vs 12K Carbon Fiber for Freediving Fins: Key Differences
3K and 12K carbon fiber are both widely used for custom freediving and spearfishing fins, but the difference is mainly in the visible weave pattern—not simply strength or stiffness. This guide explains the differences between 3K and 12K carbon fiber, how weave choice affects fin appearance and custom graphics, and which option may be more practical for different OEM fin designs.

Can You Put a Logo Inside a Carbon Fiber Fin? In-Mold vs Surface Printing
Can you put a logo inside a carbon fiber fin? Learn how embedded logo integration works and how it compares with surface printing for custom freediving fins, including appearance, durability, flexibility, carbon fiber weave, and OEM production considerations.

Freediving Fin Blade Stiffness Guide: How to Choose the Right Stiffness
Choosing the right freediving fin blade stiffness is essential for balancing propulsion, efficiency, comfort, and fatigue. This guide explains how body weight, leg strength, kicking technique, diving conditions, foot pocket configuration, and blade design affect stiffness selection for carbon fiber freediving fins.








