A rectangular spring is also known as a die spring because its material section is rectangular. Located in Ningbo, Zhejing Province, ChinaCustomSpring manufactures die springs, industrial springs, compression springs, oil tempered springs, and chrome alloy springs. ChinaCustomSpring is a leading manufacturer of custom metal springs and wire forming items in China. With a number of professional design and engineering technicians, and all kinds of machinery, equipment and testing equipment, we aim to provide our customers with high quality springs at competitive prices.To learn more please visit:https://chinacustomspring.com/die-springs 
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