... provided as custom-design 3>EXW price. Item:helical furniture compressed springSeries:HelicalMaterial :spring steel, stainless steel,zinc ... your spring designContact:For instant reply,please contant us online or call us or write email to usProduct rangeWe ... torsion spring, extension/tension spring, steel spring, hook spring, furniture spring, industrial spring, car/vehicle spring, auto spring, machine ...