Specialized in Flat Coil Springs

Springs come in many forms, including compression, extension and torsion springs. Zongda specializes in flat coil spring solutions, including spiral power springs, recoil springs and constant force springs for torque, retraction and force-control applications.
With 34+ years of spring manufacturing experience, we develop customized solutions based on torque, working turns, dimensions, materials and installation requirements — from prototyping to volume production.