Best Sofa Spring Support System Pocket Coil Spring Unit For Elastic Sofa

         Best Sofa Spring Support System Pocket Coil Spring Unit for Elastic Sofa

                                                                      Products Description

Zone Configuration Examples

5-Zone Spring Layout

1. Head Zone: Softer (1.8mm wire, 18cm height).

2. Shoulder Zone: Medium (2.0mm).

3. Lumbar Zone: Firm (2.2mm).

4. Hip Zone: Medium (2.0mm).

5. Foot Zone: Soft (1.8mm).

Quality Verification

• Test Reports: Ask for ISO 9001 or Oeko-Tex Class 1.

• Sample Checks:

  • Count pocket seams (double-stitching = more durable).

  • Measure zone wire thickness with calipers.