System and Application Technologies Co., Ltd is a South Korean company founded in 1994 and based in Gunpo-si. It operates in transportation management systems, mobile systems, and wireless communication systems. Its offerings include weigh-in-motion systems, portable scales, weighbridges, automatic vehicle classification, vehicle detection, variable message signs, and CCTV solutions for traffic and surveillance. The company also provides die-cutting products for mobile devices, printing films and tapes, communication repeaters, platform screen door control systems, and recycled construction aggregates.