At Dongguan Yongqiang spring hardware Co.,Ltd., the materials for producing Auto Spring all have passed strict tests, some of which have been passed the international quality standards for their guaranteed quality. We maintain a long-term cooperative relationship with our raw materials supplier, ensuring that we can get the most cost-effective and reliable raw materials. Furthermore, the mixed raw materials will go through multiple tests to ensure the best performance of the products since we know the performance of raw materials largely determines both chemical and physical property of finished products.

Our staff are of high spring supplier and professional spring supplier in Yongqiang. Yongqiang's torsion spring is various in types and styles to meet the different needs of customers. It is not prone to rust in rigorous conditions. It has been painted with a layer of coatings on the surface. The coatings offer a protective or decorative function. The product is strongly resistant to yellowing. This piece of furniture is comfortable and good for people in the long run. This will help one to get a good value for their money. The product is highly resistant to fatigue.

Relying on service tenet of heavy duty spring , we endeavor to do the best. Get an offer!