Spring, Compressed Spring, Extension Spring manufacturer / supplier in China, offering Heli Spring Laser Cut & Electropolished for Biocompatibility in Cardiac Stents and Minimally Invasive Surgical Tools Spring Clip, Heli Spring Precision Stamped & Shot Peened for Heavy-Duty Use in Truck Suspension Systems Spring Clip, Heli Spring Electropolished & Passivated for Corrosion Resistance in Offshore Platform Equipment Tension Spring and so on.