产品描述SPRINGS AND LEAVES FOR SPRINGS, OF IRON OR STEEL (EXCL. DISCS SPRINGS, FLAT SPIRAL SPRINGS, HELICAL SPRINGS, LEAF-SPRINGS AND LEAVES THEREFOR, CLOCK AND WATCH SPRINGS, SPRINGS FOR STICKS AND HANDLES OF UMBRELLAS OR PARASOLS, AND SHOCK ABSORBERS AND TORQUE ROD OR TORSION BAR SPRINGS OF SECTION 17)[展开]