Since 1983, JS FITTINGS has been a leader in the manufacturing of high-quality ASME B16.9 buttweld pipe fittings. Our fittings are crafted to meet the stringent standards of the American Society of Mechanical Engineers (ASME), ensuring superior performance in a wide range of industrial applications. Whether you’re in oil and gas, chemical processing, power generation, or water treatment, our fittings are designed to handle the toughest conditions with ease.