Zig Zag Spring
Also call sofa spring, seat spring, sinuous spring, serpentine spring, s spring, no sag spring, etc

Zig Zag SpringWe are metal products manufacturer and exporter in China, we offer spring tines, rubber track, rubber belt and other agri parts for harrow , tedder, rake, baler, harvester, cultivator and other farming equipment. Also,we offer zig zag spring, bonnel spring for sofa , seat, mattress and other furniture.