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CONTACT US

Tel: 86-157-9948-7210 

WhatsApp: 8615799487210

E-Mail: jasmin@zwspring.com

Address: East of Chaihudian Town, Ningjin County, Dezhou City, Shandong Province, within the industrial park

Door Torsion Springs
Door Torsion Springs

Door Torsion Springs

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Products

Extension Springs

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jasmin@zwspring.com

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Extension Springs

High-Performance Extension Springs for Industrial & Commercial Applications

From Zhuowang Company – Factory Direct, Customizable Solutions
 

🛠️ Product Overview

This heavy-duty extension spring (also known as a tension spring) is precision-engineered to deliver reliable, consistent tensile force across demanding applications. Designed with closed ends and optional hooks/loops, it’s built to absorb and store energy while resisting fatigue, wear, and environmental stress.
At Zhuowang Company, we manufacture these springs to exact specifications, using premium-grade materials and rigorous quality control to ensure long-lasting performance. Whether you need standard sizes or fully customized designs, we’ve got you covered.
 

✨ Key Features

  • Robust Construction: Made from high-strength steel (including options like SWPB, music wire, or stainless steel) with black oxide/phosphate coating for corrosion resistance and durability.
  • Precision Winding: Uniform pitch and tight tolerances ensure consistent load-bearing and smooth extension/contraction cycles.
  • Customizable Ends: Available with various hook/loop configurations (cross hooks, side hooks, extended hooks) to match your mounting requirements.
  • Fatigue-Resistant Design: Optimized stress distribution minimizes wear, even under repeated high-tension use.
  • Versatile Sizing: Customizable wire diameter, coil count, free length, and maximum load to fit your unique application needs.

 

🏭 Common Applications

These extension springs are widely used in industries including:
  • Garage Doors & Industrial Doors: Counterbalancing systems for smooth, reliable door operation.
  • Automotive & Transportation: Seat mechanisms, braking systems, and suspension components.
  • Agricultural Equipment: Tractors, harvesters, and farm machinery components.
  • Furniture & Hardware: Cabinet hinges, recliner mechanisms, and locking systems.
  • General Industrial Machinery: Conveyors, assembly lines, and material handling equipment.

 

🎯 Why Choose Zhuowang?

  • Factory Direct Sales: No middlemen – competitive pricing with direct factory support.
  • Full Customization: We tailor every spring to your exact load, size, and material requirements.
  • Strict Quality Control: Every product undergoes dimensional checks, load testing, and surface treatment inspections.
  • Fast Lead Times: Efficient production processes ensure on-time delivery for both small and bulk orders.
  • Expert Support: Our engineering team provides personalized guidance from design to production.

 

📋 Ready to Get Started?

Whether you need replacement springs or custom-engineered solutions, Zhuowang is your trusted partner for high-quality extension springs.
✅ Contact us today to share your specifications – we’ll provide a free quote and tailored recommendations for your project!

 

Zhuowang: Your Reliable Source for Precision Spring Solutions

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