Established in 1995, Shenzhen Longhorn Industrial Co., Ltd is a high-tech enterprise specializing in the whole process of Research, Development, Manufacture and Marketing on the following 3 main categories: Security System Products ( Infrared / Gas / Smoke Detector, Battery / Electronic/ Mic / Piezo Sirens, Magnetic Switche, Emergency Button, Fire Alarm, CCTV Camera and Alarm Lamp); Auto Security Products (Car Reversing Alarm, Siren, alarm Lamp). Digital Products (MP3 player, MPEG 4, PMP). Longhorn Enterprise covers 32,000 square meter with over 1000 staff and 120 researchers working here. For domestic market, 2,500 special service stations were already spread through our country. For foreign market, Longhorn products are exported to over 40 countries abroad with an annual turnover up to USD 25,500,000.