KOREA KOSO operates its corporate headquarters in Seoul and specialized manufacturing and testing facilities in Incheon, South Korea. Operating under certified ISO 9001 and ISO 14001 quality management systems, our facilities adhere to stringent global quality accreditations and ASME standards. Backed by the global KOSO engineering network, we provide international EPC contractors and plant operators with custom valve sizing, full material traceability, and dedicated lifecycle technical support.

KOREA KOSO specializes in high-performance fluid control solutions engineered to withstand extreme operating conditions, including severe pressure drops, wide temperature ranges (-196°C to +566°C), and corrosive fluids. Utilizing advanced multi-stage multi-hole trim engineering, KOSO control valves effectively eliminate cavitation damage, suppress aerodynamic noise, and provide zero-leakage shutoff reliability, fully compliant with international standards such as ASME, ISA, and API.

KOREA KOSO Co., Ltd., established in 1979 as a specialized manufacturing subsidiary of the global KOSO Group, is a leading manufacturer of precision industrial control valves, actuators, and smart fluid control instrumentation. The company's core product lineup encompasses multi-hole cage guided control valves, straight-through ball valves, and high-performance butterfly valves engineered for critical process control across petrochemical, power generation, semiconductor, and new energy plants worldwide.