Zhuji Zhejiang China Ramp Springs Made-to-Order Torsion Springs

Looking for custom made-to-order torsion springs in Zhuji Zhejiang China? Look no further. We are a factory specializing in ramp springs.
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Basic Info.

Model NO.
tension spring
Load Type
Production Process
Cold Roll
Transport Package
Carton Pallet
100 x110x120
Production Capacity

Packaging & Delivery

Package Size
110.00cm * 110.00cm * 120.00cm
Package Gross Weight

Product Description

Why work with Bosswin?
19 years of experiences in the metail springs business.
The most developed facilities gurantee  good quality and very high production capacity.
We can develop necessary toolings and produce any springs as per buyer's requests

Products show
Zhuji Zhejiang China Ramp Springs Made-to-Order Torsion Springs
Product Description


raw materials we   
process on

stainless steel,Music wire  Carbon steel(SWC),Alloy steel SEA9260/9254/6150/SUP9/SUP10/SUP12,51CrV4,etc.

material diameter or thickness


workcraft or process

CNC processing, mannual work

surface treatment

painting, electroplating, polishing , blacken etc


Industrial facilities.automobiles,  Motorcycles, electronics, Sports facilities, telecommunications products etc

Quality Certification


Payment term



plastic bags,and then cartons ,  wooden or plastic 


By sea  from Ningbo or shanghai, by air from Shanghai or Hangzhou 

Torsion Spring Manufacturing Specifications

While we have listed some of the most common sizes, materials and manufacturing specifications, Bosswinn Spring provides completely customized production on all torsion springs.

  • Large Quantity Orders, Short Runs &  Making samples - formed, assembled and packaged as per your instructions.
  • Proprietary Camera Gauge for Superior Quality - photographs and verifies each part, automatically adjusting production without shutdown.
  • Technology capabilities - on our all manufacturing facilities , you can authorize  our team ato optimize designs and lower costs.
  • Engineering Support - our team can provide expert design assistance on any order, or view our online spring design resources.
  • Zhuji Zhejiang China Ramp Springs Made-to-Order Torsion Springs
Our production facilitis.
We strictly control our springs quality . We do not only promise in oral,  we strickly follow your standard

Zhuji Zhejiang China Ramp Springs Made-to-Order Torsion Springs

Zhuji Zhejiang China Ramp Springs Made-to-Order Torsion Springs

Our packing and delivery
Zhuji Zhejiang China Ramp Springs Made-to-Order Torsion Springs

The applications of the torsion springs


  • A torsion bar   can be used on a vehicle ,absorbs road bumps , cushioning passenger travel. Torsion bar suspensions are used in many modern cars and trucks..
  • In many vehicle suspension systems  torsion springs are used.
  • Can be used in the torsion pendulum. 
  • They had been used in ancient weapons or some modern toys.
  • The balance springs or hair springs are used in mechanical watches 
  • Torsion balance springs are used in mechanical pointer-type meters 
  • Tiny torsion springs can be used in electric , like DMD or digital micromirror device chips. 


The Industries that Use Torsion Springs

Major original equipment manufacturers (OEMs) that produce products for various industries use compression springs in many of their products. 

  • Industrial production lines
  • Transportation vechiles
  • Construction facilities
  • Materials handling
  • Agriculture machines
  • Petrochemical
  • Aeronautical

Zhuji Zhejiang China Ramp Springs Made-to-Order Torsion Springs
1.Is Bosswinn a  manufacturer ?

A: We are a manufacturer, the business owner has 2 factories producing springs, machining part, stamping parts

2. When is the delivery time?

A: 10 and 15 days , one month in the peak seasons

3. What is the MOQ?

For the initial order , any quantity ok. For the mass production order, 10000 pcs better.

4. What's your payment method?

 : T/T, L/C, Western Unions,  

e. How can we confirm the samples?

Free samples are offered,  

Contact us

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