Tension springs are elastic fasteners with hooks on both ends, which rebound and reset by tensile force, widely used industrial elastic parts. We supply standard products and professional Custom Tension Springs with full size customization. We can customize wire diameter, middle diameter, free length, initial tension and hook shape, and strictly control tension coefficient and deformation range. Made of high-quality spring steel wire, our springs can be processed with anti-rust, anti-corrosion and hardening treatment. They feature high tensile strength, even rebound force and excellent fatigue resistance. As reliable Precision Tension Springs, they are perfectly suitable for electronic devices, furniture hardware, mechanical equipment and sports equipment. With accurate dimensional tolerance and stable mechanical performance, they adapt to normal temperature, humid and slightly corrosive working environments. We support bulk supply and personalized OEM orders to satisfy all purchasing demands from worldwide customers.