Electronics, Switches, Control Units, Switches, Wiring Harnesses, AC S. A. has been established in 1986. Starting with the diesel heaters in few years it became the leading Polish producer of advanced Autogas conversion equipment under the brand name STAG, as well as other automotive electronics, wires and accessories. AC S. A. has implemented a quality management system ISO 9001:2000 in May 2003. Our electronic units fulfill requirements, Automotive Electronics, Switches ...