HKC Co. Ltd., established in 1991, is a leading South Korean manufacturer of valve actuators, limit switch boxes, and related accessories. Over the years, the company has expanded from its early focus on limit switch box production to encompass a full range of electric and pneumatic actuators, serving diverse sectors including oil & gas, marine and shipbuilding, power generation, semiconductors, and general industrial automation. With a reputation for high-precision control and reliability, HKC delivers tailored automation solutions for fluid flow management in both hazardous environments and everyday industrial settings.