Triangular Needles: They are widely used in producing leather, filter material, papermaking blanket, fireproof material, waterproof material, shoe-making material, industrial felt, nankeen, linen fiber felt, stainless steel fiber felt, undercoat material, military products, etc.
Characteristics: With high elasticity, low possibility of breaking, and the use of shaped or half-shaped barbs, they will enhance the twist strength of fiber, strength the intensity of anti-breaking, and make the surface of products smooth and clean.