Description:Material - Our spring part is constructed from spring-steel with high manganese and high carbon, which has high resilience and strong toughness, corrosion resistance, and solid structure for added durability. The spring features a high arch and short spacing design, sufficient material, and stronger supporting force.Wide Application - The couch spring set is commonly used in making new/replacing old furniture upholstery, sofas, chairs, recliners, dining chairs, and even automotive seats. In addition, it is more economical to replace a spring for an old sofa or sagging seat than to replace a new couch.
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