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YUAN SINE SPRING stainless compression spring design Supply for bicycles

YUAN SINE SPRING stainless compression spring design Supply for bicycles

YUAN SINE SPRING stainless compression spring design Supply for bicycles

Stainless steel:
stainless steel
Mean coil diameter:
3.4 mm
Total number of coils(Nt):
Free length(F.L.):
12.5 mm
Free angle:
Surface treatment:
rose gold plated
High-temperature heat treatment:
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Company Advantages
1. By adopting the lean production method, every detail of YUAN SINE SPRING 2 inch diameter compression spring exhibits exquisite workmanship. The product is generally small and made from low-cost materials
2. compression spring design enjoys a high reputation in some overseas market. Its surface undergoes professional cold and hot treatment
3. This product enjoys a long service life. The rust-resistant metal construction protects it against water or moisture corrosion. The product has passed a fatigue tension test
4. This product has remarkable anti-aging and anti-fatigue performance. Its surface has been finely processed with finish and electroplating, making it inert to the foreign influence. The product is efficient in energy storage

YUAN SINE SPRING stainless compression spring design Supply for bicycles-1
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

Personal electronic industries(compress key board spring)

Stainless steelstainless steel
Wire diameter0.25 mm
Outside of diameter3.9 mm
Inside of diameter3.4 mm
Mean coil diameter3.4 mm
Active coil number8
Total number of coils(Nt)14
Free length(F.L.)12.5 mm
Free angleok
Working angelok
Right hand screwok
Closed and ground ok
Surface treatmentrose gold plated
High-temperature heat treatmentok


Personal electronic industries

YUAN SINE SPRING stainless compression spring design Supply for bicycles-2

Compress spring(keyboard)

Company Features
1. Rich in factory experience, YUAN SINE SPRING ENTERPRISE CO., LTD has won large market share for compression spring design . YUAN SINE SPRING ENTERPRISE CO., LTD has rapid expansion for customers with the help of high quality compress spring and advanced technology.
2. YUAN SINE SPRING ENTERPRISE CO., LTD closely relies on scientific and technological progress, introduces advanced equipment from overseas.
3. Excellent overall performance of large compression springs keeps it the best operation situation for the long term. YUAN SINE SPRING ENTERPRISE CO., LTD's pioneering thinking will pave the way for customers to achieve their goals. Check it!
Product Message