Founded in 1975, SUNGBO has grown over the past five decades into one of the world’s leading manufacturers of heavy equipment components. With more than 50 years of experience, Sungbo specializes in the production of casting and hydraulic parts for construction and mining machinery. Through continuous innovation and integrated manufacturing systems, the company has established four factories and two R&D centers in Korea and China, ensuring full control over every stage of production from design and casting to machining and quality testing. SUNGBO is a trusted partner of many global OEMs, including VOLVO, CATERPILLAR, SUMITOMO, John Deere, SANY, and Doosan, delivering reliable and high-performance parts such as GETs, sprockets, reduction gears, swing and travel drive units, and hydraulic assemblies. The company’s flagship innovation, the Q-LOK hammerless GET system, represents Sungbo’s advanced engineering and patented technology. Designed for enhanced safety, easy maintenance, and superior wear resistance, Q-LOK has been field-tested in various global mining and quarry sites, outperforming competitors by over 30% in productivity. By combining technology leadership, strict quality assurance, and sustainable management, SUNGBO continues to strengthen its position as a global partner in the heavy-equipment industry, committed to creating long-term value for customers worldwide.