INNOVEX Co., Ltd. (Korea) engages in the development and manufacturing of formation equipment and cycler equipment, which are secondary battery activation process equipment that inspect various performances and lifespans of secondary batteries. It operates through Secondary Battery Activation Process Equipment and LED Display business division. The Secondary Battery Activation Process Equipment business division used in the activation process, which is the last step among the electrode process, assembly process, and activation process of battery manufacturers such as LG Ensol, Samsung SDI, and SK On. The LED Display business division includes Tunnel Advertising System, a product developed to implement smooth video through visual afterimage effect by driving each video frame displayed continuously on hundreds of LED Bars installed at regular intervals on the wall of a specific section of a dark tunnel in sync with the speed of a moving vehicle. The company was founded on November 13, 2013 and is headquartered in Hwaseong-si, South Korea.