china Variable stiffness coil spring manufacturers

  • Common Compression Spring
    Common Compression Spring

    This is applied to Auto parts, Hardware, electrical appliances and Mechanical equipment, it is made by CNC to ensure its accuracy. And the material used are Carbon steel wire, Alloy wire and...

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  • Forage Machinery Spring
    Forage Machinery Spring

    It is mainly applied to all kinds of harvester, the surface treatment are electrophoresis, spraying plating, zinc-plating.

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  • Stainless Steel Compression Spring
    Stainless Steel Compression Spring

    The main material for stainless steel spring are 304L, 316L,631 ETC and the surface can be polished.

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  • Leaf Spring
    Leaf Spring

    This is applied to electronic appliance and Auto parts, the thickness is between 0.3mm and 5mm and the main material used are 65Mn,50CrVA, 60Si2MnA, SUS304L and SUS316L.

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  • Railway Locomotive Spring
    Railway Locomotive Spring

    This is applied to Railway locomotive and it is made with alloy material with good fatigue performance. The diameter is between 20mm and 55mm.

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  • Harvester Spring
    Harvester Spring

    It is mainly applied to all kinds of harvester, the surface treatment are electrophoresis, spraying plating, zinc-plating.

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  • Serpentine Spring
    Serpentine Spring

     This is applied to the car seats, housing sofa, the main material used is carbon spring steel with surface spray plating.

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  • Common Disc Spring
    Common Disc Spring

    It is made with alloy material with the Characteristic of short working stroke, large load, small space occupied, high safety and long service life, the main material used are 50CrVA and 60Si2MnA...

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  • Truck Brake Spring
    Truck Brake Spring

    This is applied to heavy truck brake and it is made by CNC with on time forming, the surface treatment is electrophoresis or zinc-plating.

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