Ecvv Trade
Hangzhou Norvee Machinery Co., Ltd.

China Manufacturer with main products: Gas Springs / Struts, Automotive Gas Springs, Cabinet Gas Springs, Stainless Steel Gas Springs, Spiral Spring, Torsion Spring, Hardware Parts

Home  >Products Catalog > Spring > Spring Steel Extension spring used in toy, sofa, beds and seats

Spring Steel Extension spring used in toy, sofa, beds and seats

FOB Price: 0.01 - 3.00 USD
Payment Terms: L/C
In Stock

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Place of Origin: Beijing in China



1. Material:spring steel, 82B, 65Mn, stainless steel, alloy steel

2. Yellow zinc plated

3. Made by your drawing

4. More then 10 years’ experience

5. Competitive price and best quality

6. More then 10 years’ experience

7. Advanced manufacturing and testing equipment

8. Competitive price and best quality

9. Provide OEM service



Extension spring can used in toy,  sofa, beds and seats of cars automotive, medical device, electronics,  etc.


Carbon steel, spring steel, stainless steel, alloy steel, oil tempered wire

Wire diameter:


Surface treatment 

zinc, nickel, become black, powder coating, cataphoresis 

or as your request




Extensively used for the base of the bicycles and electrombile


Inner plastic bags and outer cartons or as per customers' requirements

Service Process

Service Guarantee

  • Free Service Charge

    ECVV doesn't charge any service fee to Buyers for buying this product.

  • ECVV Supply

    ECVV is responsible for supply, and provides product quality inspection, fund supervision and supply chain services.

  • Product Quality Commitment

    ECVV China Sourcing Agent will assess the reputation and supply ability of the factory and conduct field trips to select the high-quality Chinese factories for buyers.

  • Deposit Service Commitments

    In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.

    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.

medium duty extension spring from this supplier

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