Pocket Spring Coil Unit for Sofa Product Specifications Items Material Steel Wire Steel Diameter 1.0mm-2.3mm Head Diameter 5.3-6cm Middle Diameter 6.5-7.0cm Spring Height 6-25cm Coils Turns 4-7 Turns ...View More
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High Carbon Steel Wire Pocket Spring for Sofa with Customized Size and Compressed and Rolled Packaging