Sungjin Techwin, a Korean company, specializes in producing advanced control systems, including the HOCAS (Hands-On Collective And Stick) controls for aviation and military applications. Notably, they have secured a position as a key supplier of control sticks for the F-35 fighter jet program. Their HOCAS systems are known for precise, ergonomic control, vital for both helicopters and fighter jets, enhancing pilot responsiveness and efficiency in critical situations​(