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YUAN SINE SPRING device extension springs factory for ATM machine

YUAN SINE SPRING device extension springs factory for ATM machine

YUAN SINE SPRING device extension springs factory for ATM machine

Stainless steel:
Stainless steel
Mean coil diameter:
3.65 mm
Total number of coils(Nt):
Free length(F.L.):
26 mm
Surface treatment:
High-temperature heat treatment:
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Product Comparison
compress spring, manufactured based on high-quality materials and advanced technology, has reasonable structure, excellent performance, stable quality, and long-lasting durability. It is a reliable product which is widely recognized in the market.Our products are produced in accordance with . All materials used in the products are well selected and purchased from our reliable partners, which guarantees the competitive price and stable performance.Compared with products in the same category, YUAN SINE SPRING's compress spring has the following outstanding features.
Company Advantages
1. With well-selected materials, YUAN SINE SPRING industrial extension springs boasts a pretty impressive set of features.
2. The product has a strong rustproof capacity. During the production, it has been processed by the oxidized sandblasting machine to improve its chemical properties.
3. To sum up, extension springs has excellent quality, reasonable price, distinctive features and a predictable large circulation.

YUAN SINE SPRING device extension springs factory for ATM machine-1
Tension Springs

Tension spring is a helical spring subjected to axial tension. There are different kinds of hooks. English hook, German hook, long hook, semicircle hook, duck bead hook and so on.  The “hook” is used to guarantee the source of tension of stretching spring. The gap for the ring and the ring must be tight and exact. These points must be identified. It is used to control the movement of machine parts , store energy, measure the size of the force and so on. Some of tension spring are made for precondition for safety.  That’s what we value and strict on quality control.  We must give more consideration to service this.

Product Parameter

Healthy care equipment industries(tension spring for blood pressure device tester)

Stainless steelstainless steel
Wire diameter0.25 mm
Outside of diameter4.15 mm
Inside of diameter3.65 mm
Mean coil diameter3.65 mm
Active coil number100
Total number of coils(Nt)100
Free length(F.L.)26 mm
Left hand screwok
Closed and ground ok
Surface treatmentok
High-temperature heat treatmentok


Healthy care equipment industries

YUAN SINE SPRING device extension springs factory for ATM machine-2
Blood pressure device tester
YUAN SINE SPRING device extension springs factory for ATM machine-3
Blood pressure device tester

Company Features
1. YUAN SINE SPRING ENTERPRISE CO., LTD is doing a good job in manufacturing superior extension springs .
2. Different mechanisms are provided for fabricating different stainless steel extension springs .
3. The application of culture of industrial extension springs is a joint for the development of YUAN SINE SPRING. Get price! YUAN SINE SPRING ENTERPRISE CO., LTD will provide a complete and accurate solution. Get price! Our popular extension springs uk conveys our culture and mission. Get price!

Product Parameters:














  • Focus on Trampoline Item for more than 8 years
  • Product range covers both trampoline and its accessories
  • Certificates such as TUV/GS, CE can be offered





Q: What is your MOQ ?
A: 50pcs for each size. You can mix different size trampoline in one container. For example, you can mix 8ft,10ft, 14ft,16ft into 1x40HQ container.


Q: Do you accept OEM or ODM ? 
A: Yes, your requirements can be customized completely.

Q: Do you have test report or relevant certification ?
A: We have TUV/ GS 


Q: How to inspect quality before shipping ?
A: Every process can be double checked by our special QC, from raw material, design, molding, welding, sewing, assembly finished products and final packing before shipment. All of these can ensure the customers to get 100% qualified products.


Q: What is your Packing ?
A: One Trampoline packed into one or two or three cartons, It depends on the whole weight of the trampoline.
Usually we use 170gsm+170gsm brown carton, 5 layers, 80kgs people can stand on it after finishing packing.
Your logo and company info can be print on the surface of carton according to your requirement.


Q: What kind of Payment terms do you accept ?
A: We accept TT 30% deposit, 70% paid against the copy of B/L.
Normally we do FOB price, if you insist CIF, Please email us for negotiation.


Q: What is your Lead Time ?
A: Within 20-35days after getting deposit.
For urgent order, could be faster, please email us for negotiation.


Q: What is your Sample Time and can you provide the samples for free ?
A: Samples can be offered, but they are not free. 5-7days after getting the 100% advance of samples.
If you order with mass cargo later, the samples fee can be refundable.


Q: How is your factory production capability ? 
A: One month - 25x40HQ containers.


Q: How to make an order ? 
A: 1.Sample approval or Specification confirmation.
     2.Client make 30% deposit after receiving our PI.
     3.Final random inspection.
     4.Arrange shipment.
     5.We send the scan of documents and B/L to client in email.
     6.Client check the scan and do the balance payment to us.
     7.Quality warranty for at least 180days after arriving the warehouse of client.



Product Description
Product namespring 

1.Wire Range: 0.3mm-20mm
2.Diameter: 0.8mm-60mm
3.Length: 2mm-200mm
4.can be customized, according to drawings or samples



Stainless Steel, Carbon Steel, Alloy, Copper, etc.

Surface Treatment

Galvanization,Nickel-plated,Black oxide,Dacromet

Heat treatment

Tempering,  Stress relieving, Spheroidizing.

OEM / ODM / customized service provided
Quality control

ISO standard,100% Whole range inspection through the production

Product Message