Fabric: high-quality, multi-channel liquid ammonia and moisture-proof, anti-corrosion and other process. The choice of multi-layer strong stretch bag back, with the import of the adjustment of sewing machines and thick car system leather, direct package surface.
Sponge: "crown Asia" or "East Asia" high density sponge, physical and chemical properties should be consistent with the current national standards. Soft and hard moderate, the amount of lamination to meet the country's current testing standards.
Chair plate: curved wood plate by the mold eight high-frequency pad molding, sheet thickness 12-16 mm, the plate to withstand the pressure of 300kg, the moisture, corrosion, moth and other environmental treatment, water content of 9%.
Paint: Germany "easy to apply Po" paint, the three at the end of three processes, hardness of 2-3H level.
