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Welcome to Yuan Sine Springs. A professional, Experienced Manufacturer in China. More than 15 years’ experience in Springs  designing & producing and OEM , ODM and  help customers needs.

We have complete products range :
1. car automotive, 
2. engineering machinery
3. agriculture machinery
4. electronic power equipment
5. precision instrument
6. sporting apparatus
7. office electronic equipment
8. healthy care equipment 
9. house ware & bath room accessories 
10, gas & air & liquid valve industries
11. fastener industries

Why you should cooperate with Yuan Sine Springs? 
Our main company policy:  
1. Ensuring the final products is matching your drawing and requirement. 
2. Discuss and offer the solution the process and the spring types that you need. 
3. Design and suggestion. Make sure the material that you should use, and professional knowledge to answer these questions and more.