Sales Rep Locator Select State Call us at 815-968-3000 Request a Quote Home About Us Capabilities Design Tips Industries Case Studies Contact Us Quality Testing "Part-to-part, order-to-order uniformity ... guaranteed." It takes more than superior engineering and equipment to make precision springs. Constant monitoring of the manufacturing process is necessary to guarantee "part-to-part and order-to-order" uniformity. Prevention ... not detection. We've been using SPC for years ... long before it became fashionable, and require the same of our material suppliers. This assures the quality of your spring both before and during manufacturing. On-line testing ... using many state-of -the-art digital instruments and proprietary software that we've developed ourselves for evaluating stress, loads, and rates ... is complemented by rigorous final testing by our quality control department which is ISO 9001:2015 Registered and certified by government agencies, as well as, many of the largest manufacturers in the country. In addition, we can also provide special cycle, contamination, and load loss testing as part of our complete service/manufacturing package to determine if the spring manufactured meets your design requirements. Email our quality department at quality@rockfordspring.com. Rockford Spring Company 3801 South Central Avenue • Rockford, IL 61102 Fax: 815-968-3100 • Phone: 815-968-3000 Registered to ISO 9001:2015 by SRI Quality System Registrar Click Here for ISO 9001:2015 certificate © 2021 Rockford Spring Company. All Rights Reserved.