SungMin Instrument is the world’s largest cable tester and facility maker. Since our establishment in 1988, we have been making steady efforts in R&D of essential technologies.  We have successfully implemented a comprehensive system covering the entire process from design of electrical, electronic and high precision machines to production. We then supply the final products to domestic and foreign cable companies.  We are proud and confident about our development efforts for cable testers and manufacturing facilities.  Through our consistent quality improvement and management, we have earned the faith of our partners. SungMin Instrument has proven our commitment to quality through many years of technological innovation, and our perseverance and efforts translate into customer trust.  Amidst the drastically changing world market, our long term vision and perfect management will help us keep growing as a great company.