What standards are followed during constant force spring production?
Constant force spring is made in strict line with the international standards as well as domestic standards based on the certification requirements of the product category. The product materials basically meet high requirements, including the dimension, quantity and percentage. The finished part is also detailedly tested to examine whether the properties surpass the required value in the overall performance. Once the product is used, it can maintain its functionality and reliability in the long-term use.
As one of the well-known manufacturer of extension springs, YUAN SINE SPRING ENTERPRISE CO., LTD is always offering the best to customers. YUAN SINE SPRING's wave spring is various in types and styles to meet the different needs of customers. YUAN SINE SPRING spring wire is manufactured by adopting RTM-technology which is the preferred technique for manufacturing components that are exposed to heavy structural stresses. It works to provide stability and reduce the level of wear and tear. In YUAN SINE SPRING, the allocation of extension springs resources and the application of technology have achieved the desired results. It is a necessary component in many devices, machines, and systems.

Regarding the principle of 'wholeheartedly serve every customer' as the base, that is, by offering professional and sincere services to our customers, we will work hard to be a leader in this industry internationally.

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