Jiangsu Yonggao Wire Co., Ltd. specializes in manufacturing high carbon spring steel wire, which is used for mechanical spring & mattress spring. We are located near Sutong Bridge. It's 1 hour from Shanghai by car.With over ten years' development, we now have two subsidiaries:Jiangsu Yonggao Wire Co., Ltd. & Nantong Yongsheng Wire Co., Ltd. Our trademarks include 'Yongxin', 'Yongsheng' & 'Yonggao'. 'Yongxin' steel wire was awarded with National Golden Cup Prize of Metallurgy Quality , and title of Nantong Famous Products and Nantong Famous Trademark . Our yearly capacity is 50000 tons and we produce wires according to standards of GB4357-89, GB1298-86, GB/T4358-95, ASTM-A227, DIN17223, EN10270-1, JIS G 3521 and JIS G 3522-91,and also according to the customers' requirements. With Best Quality, Excellent Reputation and Reasonable Price, we already export to USA, Europe, Middle East, Southeast Asia and South America , etc.You are welcome to contact us !