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Material:65MN/72B/77B/82B<br> Wire diameter:1-5 mm/ 1.5*10 mm<br> Application:High elasticity for roll mattress

Material:65MN/72B/77B/82B<br> Wire diameter:1-5 mm/ 1.5*10 mm<br> Application:High elasticity for roll mattress

Material:45/ 60/ 65/ 70/ 80/ 65MN SAE1006/ SAE1008<br> Wire diameter:1.0-7.0 mm<br> Application:spring