Tywin professionally operate the die springs from high tensile strength rectangular shaped chrome silicom material, our products are available in metric and inch sizes based on the European Standard (ISO10243), Japanese Industrial Standards(JIS), and American Standard. We offer a full range of diameters and lengths for every standard to meet your need. No matter what your springs needs are, you can count on us to meet them, we have capacity to manufacture custom die springs to serve your special needs. We hope to establish an trusting, beneficial and everlasting cooperation base on our quality, services and competitive price.