Reliable company for constant force spring
In this competitive industry, YUAN SINE SPRING ENTERPRISE CO., LTD is one of the reliable constant force spring producers in China. From raw materials selection to a completed product, a trusted provider should always focus on the perfect and exact operation during each step, making sure high-quality products are provided to clients. The company upholds the tenet that a professional service team is also a very important part during the business. It can guarantee the thoughtful service.
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YUAN SINE SPRING aims to be a top player based on the spring wire along with attentive service. YUAN SINE SPRING's compress spring is various in types and styles to meet the different needs of customers. YUAN SINE SPRING heavy duty torsion springs is manufactured by adopting the most advanced equipment in the rubber and plastic industry for material hardness (shore and durometer) testing. It has the ability to absorb shock and provides enough tension. The markets of our company are expanded to many countries and regions around the world. Treated with special technology, its surface is sleek and burr-free.

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