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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

High quality extension spring



Keywords:

Extension Springs


Product Name:​ High quality extension spring

Brand:​ zhuowang 

Place of Origin:​ Dezhou city, Shandong province, China (Mainland)

Product Description & Key Features:

Crafted for superior durability and precise functionality, our Extensions​ are engineered to meet the demanding requirements of various industrial and commercial applications. Each product undergoes stringent quality control to ensure consistent performance and long-lasting reliability.

Key Features:

Premium Materials:​ Manufactured from high-grade materials such as stainless steel, music wire, chrome vanadium for excellent tensile strength, corrosion resistance, and fatigue life.

Precision Engineering:​ Accurate coiling and consistent wire diameter ensure exact load characteristics and extension properties as specified.

Customization Available:​ We offer OEM/ODM services. Parameters like free length, outer/inner diameter, total coils, wire size, hook type (e.g., full loop, half loop, English loop), and initial tension can be customized to your specific design needs.

Rigorous Testing:​ Each batch is tested for critical performance metrics including spring rate, maximum extension, and fatigue limits to guarantee safety and reliability.

Wide Application:​ Ideal for use in automotive components, industrial machinery, furniture, medical devices, toys, agricultural equipment, and various consumer products requiring controlled extension force.

Specifications:

Material:​ Stainless Steel 304/316, Music Wire (SWP-A), Carbon Steel

Wire Diameter Range:​ [0.3mm - 5.0mm] (Customizable)

Outer Diameter Range:​ [2mm - 50mm] (Customizable)

Free Length Range:​ [10mm - 500mm] (Customizable)

Hook Types:​ Full Loop, Half Loop, English Loop, Special Ends, etc.

Finish:​ [e.g., Zinc Plated, Powder Coated, Natural, Passivated] (Optional)

Spring Rate:​ Customized according to your force-deflection requirements.

Certifications:​ ISO 9001, RoHS compliant

Why Choose Us?

Expert Manufacturer:​ With 10 years of experience in spring manufacturing, we provide professional technical support and solutions.

Quality Assurance:​ From raw material sourcing to final inspection, our integrated QC system ensures every product meets high standards.

Competitive Pricing:​ Benefit from direct-factory pricing without compromising on quality.

Flexible Service:​ We support small MOQ for trial orders and offer flexible production for bulk purchases with reliable on-time delivery.

Global Shipping:​ Efficient logistics network ensures smooth delivery to worldwide destinations.

Packaging & Shipping:

Standard Packaging:​ Typically packed in plastic bags inside carton boxes, then on pallets. Custom packaging is available upon request.

Lead Time:​ Approximately 15-30 days after order confirmation, depending on order quantity and specifications.

Port:​ Negotiable

FAQ:

Can I get free samples?

Yes, free samples are available for quality checking. The buyer usually needs to bear the shipping cost.

Do you accept customization?

Absolutely. We specialize in custom-made extension springs. Please provide your detailed drawings or specifications (material, dimensions, load requirements, quantity) for a precise quotation.

What is your payment term?

T/T, L/C, Western Union, or Alibaba Trade Assurance are accepted. Specific terms are negotiable.

How do you ensure quality?

We provide pre-production samples for approval and can arrange third-party inspection before shipment if required.

Contact us today for a quotation or to discuss your project requirements!

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