1.Mould Spring in high quality with different colors; 2.ISO/ ... /ODM service Key Specifications/Special Features:Product 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 resisting alloy, corrosion ... , gold-plated, and imitation gold-plated. Customed Mould Spring