Shenzhen OSK technology co., LTD., founded in 2009, is specialized is engaged in car audio, bus monitor (15, 17, 19, 22 inches), vehicle-mounted multimedia ads, car stops machine machine, hard disk advertising machine, vehicle monitoring system, building advertising machine (15 inch to 82 inch), floor type advertisement machine (42 inch to 65 inch), stitching advertising screen, digital signage, etc. Series of products of research and development, production and sales as one of the modern enterprise.