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Sinuous (zig‑zag / S‑shape) spring is a proven support solution for mid‑to‑high‑grade sofas. Our sofas use thickened high‑carbon‑steel sinuous springs with anti‑rust oxidation surface treatment, good for humid coastal overseas markets.
Evenly arranged springs are firmly fixed by reinforced clips, delivering balanced force distribution and smooth resilience to prevent local sagging. Light‑weight structure fits modern minimalist & luxury compact‑size sofa frames. Stable lead time and competitive pricing make it ideal for mass export.
Multi‑layer filling options including foam, fiber batting are available to adjust firmness. Custom fabric, color and sofa legs are supported. Perfect for cross‑border e‑commerce sellers, furniture wholesalers and project procurement. Comply with EN12520 seating durability standard, test reports available for Europe, Southeast Asia, Middle East markets.
