Quick Detail: Commodity Torsion spring Place of Origin: China (mainland) Materials: Steel (Mn) Load type: Torsion Style: Spiral Surface treatment: Oiled Wire diameter: ¢5mm-¢9mm Outer diameter: ¢78mm-¢110mm Delivery time: 15-25days after recieve the deposite Payment terms: 30%T/T,the balance70% should be paid before shipment Price terms : FOB, EXW Supply ability: 50,000 T/per year