DOX-Steel is the product of 20 years of research in both the laboratory and in the field with PEMEX. Our proprietary technology products have been tested in the most corrosive environments in the world, in some of the harshest conditions imaginable. DOX-Fasteners are available for you to test in your workplace, no matter the environment.Please contact us to arrange for your testing our samples at no charge. Our DOX-Steel Fasteners are made from the finest materials using cutting-edge technology. We want you to test them in your workplace environment with our compliments, knowing you will be pleased. We use Element Material Technology Formerly Stork Testing & Metallurgical Consulting, Inc. in Houston, TX. If you have a specific application you want us to test, please contact us.