Spring steel is widely used in automobile, railway, machinery, electrical and other industries. Nangang high-speed railway spring spring steel passed the identification of new products and new technology in Jiangsu Province in 2008, the fatigue life is better than similar domestic products, and the quality performance has reached the international advanced level. The spring steel developed for automobile suspension spring has passed the new product and new technology appraisal in 2011, with excellent processing performance, good service performance, reliable fatigue life and quality performance reaching the leading level in China.
Spring steel for Nangang car stabilizer bar passed the new product appraisal in 2014, replacing imports and reaching the international advanced level. South iron and steel road truck spring steel, high-speed rail axle box spring steel, railway bus spring steel through the CRCC certification, the supply quality is stable. The quality of spring steel for construction machinery is stable, and Nangang is one of the main suppliers of spring steel for construction machinery in China.