Aramax Engineering manufactures Die Springs with Electro-Deposition Paint Finish. Aramax Engineering is an ISO 9002 certified company. The Die Springs with Electro-Deposition Paint Finish have been proven to last five times longer than other manufacturers spring and in some cases have been found to last up to twelve times longer. The die springs has high quality electro-deposition paint finish, giving good rust prevention qualities. Die springs are manufactured with ends ground and squared so that they stand on their own base and compress evenly under load. There is a positive relationship between the spring`s outside diameter and the total length, which determines whether or not a spring will buckle under load.