This sample is a 4.5mm spring steel automotive seat sinuous spring (zig-zag spring), formed in one process by a CNC wire bending machine. It offers excellent elasticity, consistent shape, and smooth bending transitions without visible marks.
It demonstrates stable performance in processing high-strength spring steel. Widely used in automotive seats, sofas, and various support structures. The machine ensures efficient mass production with high consistency, reduced labor, and is CE compliant for EU and global automotive supply chains.
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