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This is applied to the car seats, housing sofa, the main material used is carbon spring steel with surface spray plating.
The serpentine springs are used with permanent elastic serpentine steel bar, a diameter of 4 mm, the surface by spraying antirust processing.
In the mechanical transmission system, for the transfer of torque and serpentine spring buffer, serpentine spring has been widely used in metallurgy, lifting, transportation, mining, petroleum engineering, shipbuilding, coal, rubber, shipbuilding and port machinery lifting equipment