Our main products: Shaped spring, Engine valve spring, Auto suspension spring, Hot coiling spring, various tension and torsion shaped spring, Disc spring and other elastic products. The product range covers all industries such as automobile, engineering machinery, petrochemical, railway locomotive, precision instrument and so on, the wire diameter is between 0.3mm and 50mm. Our factory has a full range of production equipment and testing equipment and also get the ISO/TS16949 quality system certification already.