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

Zig Zag SpringMostly used in sofa, seat, chair and such usages. over 90% of our goods are sell abroad of china.good quality, competitive price, swift reply   We 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.