Bosswinn China Front Conventional Coil Spring

Steel tension spring with hook, steel wire with small extension outer diameter. Features: Open hook design, easy to use. High plasticity, uniform spacing, uniform stress, and stable elasticity, effectively improving work efficiency. Made of high-quality spring steel, it has high elasticity, fatigue resistance, strong plasticity and good resilience. This product is forged through multiple processes. Each production process is strictly controlled, and the surface is shiny and burr-free. Specifications: As ordered. Consumables: Metalworking Material: Steel Style: Expansion Spring Usage: Industrial Model: Wire Diameter x Outside Diameter x Length Load Type: Extension.

Rocheindustry is a leading coil springs supplier and company in China since 1999 with over 20 years of experience in fastener filed.

We have rich experience in manufacturing different types of coil springs, such as rear coil spring, front coil spring, heavy duty coil springs, small coil springs, flat spiral spring, cutting coil springs, progressive coil springs, stainless steel coil springs, titanium coil springs, etc

Our products are mainly used in automobile industry, high speed railway industry, aviation industry, medical equipment industry, etc. We have designed and manufactured key components for world famous enterprises. We are committed to providing our customers with high quality products high level services and continuous improvement.

Although there are so many coil springs suppliers in China, we still believe we are the 1st choice for importing coil springs:

We keep a good cooperative relationship with major raw material factories, forged machines, manufacturers of coil springs.

Our financial strength gives us bulk purchasing capabilities that ensure our products are cost-competitive.

Our 20 years of experience has taught us to meet even the most stringent quality requirements to help our customers improve sales, protect their margins and strengthen their businesses against the competition.

Our vision is to create permanent superiority by leading the market with break through products and services and integrated quality, environment, common values, and social responsibilities into it.

Rocheindustry isn't a century old company, but we move quickly, and unafraid to take responsibility.

We are your best stainless steel coil springs one stop solution shop, don't hesitate, contact us get a quick quote today!

Our testing faciltis.
We strictly control our springs quality . We do not only promise in oral, let the facilities speack

Extension springs are in our daily life everywhere, small electronics, house appliances, from being in our cars  , to the farm machinery that produces our food. 

1. Tampolines. The trampoline has hundreds of hook end extension springs forming the trampoline base to the metal frame. 

2. Vehicles , vehicles use heavy duty extension springs because of the amount of power and strength they require to pull. 

3. Small electronics, like toys.

Extension springs make the electronics to function as  designed.

4. House appliances , like washing machines

Springs are likewise used in washing machines to suspend the drum in position. 

5. Furnitures, doors, windows etc

 extension springs to help the house doors or furnitures close back over once they have been opened. 

7. Exercising facilities

The most common exercise equipment that use extension springs like  the Chest Expander, and other strenght training facilik