Since founder A.T. Schmitz began producing innovative cylinder valves more than 90 years ago, Rotarex has grown to become the world's leading manufacturer of ultra-high quality gas control products and systems. Today, thanks to our extensive experience, quality-based principles and superior technical capabilities, gas companies, suppliers and engineering firms are confident that their projects will achieve the highest levels of safety and performance. With factories and sales facilities in the heart of more than 65 countries around the world, we can provide the products and services our customers need, wherever they are located.