Spring, Compressed Spring, Extension Spring manufacturer / supplier in China, offering Heli Spring Stamped & Nickel Plated for Reliable Conductivity in Electronic Connectors Spring Clip, Heli Spring Precision Rolled & Heat Treated for High Flexibility in Automotive Suspension Components Spring Clip, Heli Spring Laser Formed & Age Hardened for Aerospace Actuation in Turbine Engine Valves Wire Forming Spring and so on.