Thonzer International (Hong Kong )Co.,LTD is founded in 1998 and established Shenzhen branch company ShenZhen Thonzer Electronics Co., LTD in 2008,is a professional manufacturer and designer and sales of Car video and audio products ,such as Car DVD /Car GPS /Car Monitor/Parking Sensor and Car GPS Tracker ! Till now, our factory has 4 production lines and have own R&D dept and our staff have rich experience of more than 10 years in this line of Car video and audio . Our products are exported to Middle East, Europe, Russia, Canada, USA, Japan, Southeast Asia, South America etc. Our products have got very good sales and market feedback at home and abroad .Our factory have strict quality control system and modern testing machines too, for example, the vibration testing machine, temperature testing machine, radio signal generator, TV signal generator and so on . Thonzer will inherit the philosophy of Innovation, Quality, Service to satisfy your demand by advanced technology and high-quality products and good service, strive to been leading professional manufacturer and one-stop service supplier in China! We have ability to do OEM order for you accordingly .Your enquiry and suggestions are welcome!