Keynote

1. DGS' tuning springs are made of IHT200 wire(silicon-chrome wire by high freguency-heat treat ment) which has excellent high tension, fatique-resistant, and permanent deformation-resistant. 
2. The tuning spring has very stable guality, durability ducrability and high effectiveness by cold forming.
3. DGS directly design and produce various springs involving to race car and expert to Japan, U.S.A and Australia, etc...