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YUAN SINE SPRING Brand ends blood large extension springs

YUAN SINE SPRING Brand ends blood large extension springs

YUAN SINE SPRING Brand ends blood large extension springs
  • YUAN SINE SPRING Brand ends blood large extension springs
  • YUAN SINE SPRING Brand ends blood large extension springs

YUAN SINE SPRING Brand ends blood large extension springs

Stainless steel:
stainless steel
Mean coil diameter:
4.4 mm
Total number of coils(Nt):
Free length(F.L.):
90 mm
Free angle:
Surface treatment:
High-temperature heat treatment:
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Enterprise Strength
  • YUAN SINE SPRING has strategic cooperation with many outstanding universities and research institutes in China, and carries out friendly cooperation in personnel training, technology research and product development. All this can improve product quality and technical content, promote economic efficiency, and provide strong power for sustainable development.
  • YUAN SINE SPRING is equipped with professional sales and customer service staff. They are able to provide services such as consulting, customization and product selection.
  • YUAN SINE SPRING is committed to becoming a first-class enterprise with industry influence. In the future, it will be our pleasure to contribute to a better life and harmonious society.
  • Founded in 2004, YUAN SINE SPRING has been engaged in the business of compress spring for years. So far we have accumulated rich industry experience.
  • YUAN SINE SPRING's sales network radiates to all parts of the country.
Application Scope
YUAN SINE SPRING's tension spring is available in a wide range of applications.YUAN SINE SPRING has an excellent team consisting of talents in R&D, production and management. We could provide practical solutions according to actual needs of different customers.
Company Advantages
1. To be a more competent company, YUAN SINE SPRING also pays a lot of attention to the design of extension springs structure. The product can be flexibly designed with different elastic values
2. Comparing to the conventional tension spring, large extension springs has many advantages such as helical extension spring. The product is generally small and made from low-cost materials
3. heavy duty extension springs has got extensive use because of its advantages of long extension springs. As a mechanical part, it uses elasticity to work
4. Apart from our high quality small extension springs, we are highly recognized for our transparent deals and on time delivery of products. It is possible to be customized to cater to specific load requirements

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

Communication industries(2-ways tension spring for router)

Stainless steelstainless steel
Wire diameter0.3 mm
Outside of diameter4.4 mm
Inside of diameter4.4 mm
Mean coil diameter4.4 mm
Active coil number55
Total number of coils(Nt)55
Free length(F.L.)25 mm
Free angleok
Working angelok
Right hand screwok
Closed and ground ok
Surface treatmentok
High-temperature heat treatmentok


Communication equipment industries

2-ways tension spring for communcation router

Company Features
1. YUAN SINE SPRING is good at making extension springs.
2. With its outstanding technical strength, YUAN SINE SPRING has become more influential than before.
3. The whole set of service for our tension spring include large extension springs. Call!
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