1.Mould Spring in high quality with different colors; 2.ISO/TS16949 and ISO14001 factory; 3. ... Name: Mould Spring ;Features: Wire Diameter: 0.01 to 20mm;Raw material: stainless steel, carbon steel, spring steel, alloy spring steel, refractory steel, high temperature ... -plated, silver-plated, gold-plated, and imitation gold-plated. Customed Mould Spring