Custom Compression Springs in Various Materials & Specifications
Zhejiang Zhengna Technology Co., Ltd. is a professional manufacturer of high-performance compression springs. As shown in our product range, we specialize in producing a diverse array of coil springs in different sizes, shapes, and materials—from large, heavy-duty metal springs to smaller, precision-engineered versions. Our springs are designed to provide reliable resistance to axial compressive forces in countless applications.
Image: A comprehensive collection of compression springs showcasing our capability in various wire diameters, coil sizes, and end types (closed, open, ground).
Our Compression Spring Product Range & Capabilities
| Feature |
Specifications & Options |
Key Advantages |
| Available Materials |
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Music Wire (SWP): General purpose, high strength.
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Stainless Steel (302, 316): Excellent corrosion resistance.
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Oil-Tempered Wire: For heavy-duty applications.
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Phosphor Bronze & Beryllium Copper: Good conductivity & corrosion resistance.
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Inconel & High-Temp Alloys: For extreme environments.
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We select the optimal material for your application's stress, environment (corrosion, temperature), and cost requirements. |
| Design Parameters |
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Wire Diameter: From 0.1mm to 10mm+.
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Outer Diameter: Customized to your housing constraints.
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Free Length & Solid Height: Designed per your stroke and space.
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End Types: Closed & ground, closed & not ground, open ends.
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Spring Rate (k): Precisely calculated to meet your force requirements.
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Full customization ensures the spring fits perfectly and functions reliably in your specific assembly. |
| Surface Treatments |
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Plain/Oiled: For standard protection.
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Zinc Plating: Good corrosion resistance.
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Powder Coating: Color coding and enhanced protection.
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Passivation: For stainless steel springs.
|
Extends service life and can provide aesthetic or identification benefits. |
| Industries Served |
Automotive (suspensions, valves), Industrial Machinery, Consumer Electronics, Medical Devices, Appliances, and more. |
Our springs are integral components in products requiring precise force and motion control. |
Why Choose Zhejiang Zhengna Technology for Your Compression Springs?
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Extensive Material Selection: We provide springs in music wire, stainless steel, oil-tempered wire, and exotic alloys, ensuring the right properties for your application.
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Precision Engineering & Customization: Every spring is calculated and manufactured to your exact specifications for wire diameter, outer diameter, free length, and spring rate.
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High-Volume Production Consistency: Our advanced CNC coiling machines and strict quality control ensure every spring in your order, from the first to the millionth, performs identically.
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Technical Support & Spring Design: Our engineers can help optimize your spring design for performance, life, and cost, even from basic load and space parameters.
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End-to-End Quality Assurance: We perform dimensional checks, load testing, and fatigue testing to ensure our springs meet the highest standards of reliability.
Our Manufacturing Process
- Consultation & Spring Calculation
- CNC Coiling & Forming
- Heat Treatment (Stress Relieving & Tempering)
- Surface Finishing & Coating
- 100% Inspection & Performance Testing
Looking for a reliable compression spring supplier? Send us your specifications or samples for a free spring design review and competitive quotation.
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