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Quality YUAN SINE SPRING Brand mm head compress spring

Quality YUAN SINE SPRING Brand mm head compress spring

Quality YUAN SINE SPRING Brand mm head compress spring
  • Quality YUAN SINE SPRING Brand mm head compress spring
  • Quality YUAN SINE SPRING Brand mm head compress spring

Quality YUAN SINE SPRING Brand mm head compress spring

Stainless steel:
stainless steel
Mean coil diameter:
5.9 mm
Total number of coils(Nt):
Free length(F.L.):
21.5 mm
Surface treatment:
High-temperature heat treatment:
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Product Comparison
YUAN SINE SPRING has great production capability and excellent technology. We also have comprehensive production and quality inspection equipment. torsion spring has fine workmanship, high quality, reasonable price, good appearance, and great practicality.YUAN SINE SPRING's torsion spring has the following advantages over products in the same category.
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Enterprise Strength
  • YUAN SINE SPRING thinks highly of talents management and sci-tech innovation. Our talents team is great technical capabilities and strong management abilities.
  • YUAN SINE SPRING runs a comprehensive pre-sales and after-sales service system. We can effectively protect consumers' rights and interests and provide quality products and services.
  • With a consistent focus on sci-tech innovation, YUAN SINE SPRING always adheres to the business philosophy of 'quality-rooted, integrity-based, mutually-beneficial'. Besides, we carry forward the enterprise spirit of 'struggle, progress, pragmatism'. In the following days, we strive to stay in the invincible situation in the fierce market competition.
  • YUAN SINE SPRING, built in 2004, has been developing in the Manufacturing Hardware Springs industry for years. We have accumulated rich industry experience and have gained great achievements.
  • YUAN SINE SPRING's compress spring gain a good reputation in the domestic and international market for multiple types, affordable price, and reliable quality.
Company Advantages
1. compress spring is made of imported materials and has the advantages of compression springs canada. Its service life has been improved to a very high degree
2. The product is valued for its features of reliable performance and long service life. The product has strong elasticity, which can quickly return to its original shape
3. As an important factor, custom compression springs facilitates the high-quality production of steel compression spring to meet needs of more customers. The product can be manufactured with a variety of dimensional ranges

Compression Springs & Helical Compression Springs

Compress spring shape: cylindrical, conical, convex and concave and a small number of non-circular or even a variety of tail variants, can be designed according to the product shape. End part shape has many kinds: two ends sit circle, two end grind equal. Each circle is divided around, because can withstand pressure, both ends can be open or closed or around flat or flat grinding. Compression spring for all kinds of spring is the most widely used in a wide range of products and electronics, motors, computers, information, motor vehicles, bicycles, hardware tools, gifts, toys, and even the national defence industry, because its design and principle is easy to grasp, manufacturing control is the most simple. Our Helical Compression Springs are produced in a range of different materials, from stainless steels, non-magnetic, brass and so on.

We are working for widely range applications. For example, valves, electric switches, door locking mechanisms, house ware, sporting and so on. Producing the good quality springs for customers.
We have 15 years production and customer’s information including experience. Our greatest strength lies in providing solutions in a very short time.   Our professional, experienced engineer team will be happy to help you.

Product Parameter

Gas & air & liquid valve industries(allotype compress spring for valve)

Stainless steelstainless steel
Wire diameter0.50 mm
Outside of diameter6.9 mm
Inside of diameter5.9 mm
Mean coil diameter5.9 mm
Active coil number6
Total number of coils(Nt)9
Free length(F.L.)21.5 mm
Right hand screwok
Closed and ground ok
Surface treatmentok
High-temperature heat treatmentok


Gas & air & liquid valve industries

Gas air and liquid valve industries(allotype compress spring for valve)

Gas air and liquid valve industries(allotype compress spring for valve)

Company Features
1. Recognized by compress spring industry, YUAN SINE SPRING ENTERPRISE CO., LTD is committed to satisfying diversified needs to from customers.
2. Thanks to the support of QC team, the quality of steel compression spring can be guaranteed.
3. Accurate market positioning of YUAN SINE SPRING allows you the highest return on investment. Call now!
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