At Ganggu Hardware, our high-precision mechanical springs are engineered to deliver reliable force, controlled energy storage, and long-term fatigue resistance in critical industrial applications. Utilizing computer-controlled automatic spring coiling equipment and advanced CNC spring formers, we produce a complete range of custom compression springs, extension springs, torsion springs, and specialized wire forms. Manufactured from high-tensile spring steel, stainless steel, music wire, and heat-treated alloys, our springs undergo rigorous stress-relieving processes and precision end-grinding to ensure consistent pitch, accurate load rates, and tight dimensional tolerances. Operating under strict ISO 9001 standards, Ganggu Hardware provides customized wire diameters, spring rates, leg configurations, and protective surface finishes—including electro-plating, powder coating, and passivation—optimized for automotive, aerospace, medical devices, and heavy machinery assemblies.