STR and its partners have more than 50 years experience in steel ball production and can customize product to meet customer needs. Each year more than 500 million steel balls are produced and sold worldwide. While STR always stays on the cutting-edge of technology, all processes and policies are designed for maximum quality. STR also manufactures balls made of glass, plastic and ceramic for use in everything from decor to grinding media, and burnishing media for metal polishing and mass finishing. If you are in need of product or are uncertain of type and quantity required to best fit your application, please contact one of our service engineers to work with you. If you already know what you need, please contact us for a competitive quote so that you can compare quality and cost and make the best choice.