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Wholesale tension spring multi factory for communication router

Wholesale tension spring multi factory for communication router

Wholesale tension spring multi factory for communication router

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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Application Scope
YUAN SINE SPRING's tension spring is widely used in the Manufacturing Hardware Springs industry.Guided by the actual needs of customers, YUAN SINE SPRING provides comprehensive, perfect and quality solutions based on the benefit of customers.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.
Company Advantages
1. YUAN SINE SPRING large extension springs is developed incorporating sophisticated technology and is made available to patrons at market leading prices.
2. The product is stable in extreme weather conditions. Embed with an protection system, it is not affected by the thunderstrike or downpour.
3. The product has the desired reliability. It is equipped with an intelligent circuit breaker that features reliability and accuracy, ensuring it can work without failure.
4. This piece of clothing is visually pleasing. It drapes better rather than crease as readily. - Said one of our customers.

Wholesale tension spring multi factory for communication router-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

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

Wholesale tension spring multi factory for communication router-2

2-ways tension spring for communcation router

Company Features
1. YUAN SINE SPRING ENTERPRISE CO., LTD is the backbone of the Chinese tension spring industry.
2. At present, YUAN SINE SPRING ENTERPRISE CO., LTD has advanced production lines and various testing equipment for small extension springs .
3. Our business mission is to help our customers overcome their most complex challenges. We aim to surpass our customers’ expectations every time through innovative product and service solutions. Our service aim is "quality first", and we have been working hard to improve product quality by using more high-quality materials and adopting more exquisite workmanship. Sustainability is at the heart of our business. Our operation focus on waste reduction, resource efficiency, sustainability innovation, and ecological sourcing.


Compression spring 
1.Material:carbon steel;spring steel;stainless steel 
2.Wire Dia.:0.01mm-10mm 
3.ISO9001 certificate.



1).  Diameter: 1.0mm—10mm

2). Material: carbon steel, spring steel, alloy steel. 

3). we can do OEM

4). Surface treatment: Znic,Nickel,Silver,golden,tin,powder coating

5). Application: Automotive,medical device,electronics,toy, etc.

6). Quality: high quility raw material, strict and careful inspection

7). Lead-time: Inner plastic bag, outer carton box, and advised by customer.

8). Packing: inner plastic bag, outer carton box, and advised by sustomer.


We can produce all sizes and types of spring according to your samples, design drawing or design thinking. Knowlege of the compression springs, extension spring, torsion springs.

Our Services

Chiao Ta Springs Co., LTD












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