John Evans' Sons

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John Evans’ Sons is the international leader in design and manufacturing of constant force springs, constant force spring assemblies and pusher springs (variable force). Custom design, in-house tooling and precision manufacturing, combined with a wide & varied stock spring selection allows us to serve a wide variety of applications from military to medical, high-tech, point of purchase and retail, and aerospace.

Company Details

Address
1 Spring Avenue, P.O. Box 885
Lansdale, PA 19446

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