John Evans' Sons, Inc.
First Floor 118
John Evans' Sons Inc., (ISO 13485:2003, ISO 9001:2008 & AS9100C certified) An international leader with proven expertise in precision constant force springs, torsion springs and spring-powered reels, utilizing advanced design and manufacturing technology. Also producing helical springs, vibration damping products, and mechanical assemblies. John Evans' is eager to discuss design requirements and spring challenges in your design and prototype phase.