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Spring: Internal spring liner is made of natural elastic coir mattress and special median sinus springs. Filling material: Natural palm fiber and elastic palm strips are pressed under high temperature; internal liners are treated by.....

Standard: GB/T4357, EN10270, DIN17223 or other as required Diameters: 0.5mm-12mm Coatings: galvanized coatings, and black steel wires. Packing: coils (50-1000kgs) or spools Application: mattress spring, mechanical spring and other usages.....