Since 1987, SWI has been a rapidly expanding force in the industrial valve industry. Our innovations in engineering, design and manufacturing have given us a reputation for superior quality. All our products are built – concept to development to final – in one of our state-of-the-art South Korean plants so we have complete quality control in every step of manufacturing. Our major certifications include ISO 9001:2000, PED, API 6D/6A and TUV. And SWI is renowned for exceptional service. We work hard to ensure every promise we make – turnarounds, delivery times, specialized product specs – is a promise kept.