Extension Spring Resources

• Custom Extension Spring Manufacturing & Design Information

For over a century CSPI Spring has manufactured custom extension springs for customers around the world. We are one of China’s largest and most experience extension spring suppliers, with a network of nine locations to better serve customers. Our spring engineers, manufacturing personal personnel and customer support staff are always available to assist, and design assistance is available on any extension springs order.

The following resources may be helpful in the development of your custom extension spring. Customers should always contact us to review your extension spring data before placing an order to confirm performance and manufacturing specifications.

To assist in the design of your component, visit the Springulator®, our extension spring calculator.