Our headquarter in Unites States, is an US-SINO joint venture. We are mainly engaged in developing, researching, producing, selling products and after service in car GPS tracker & alarm, motorcycle GPS tracker & alarm, GPRS fleet management system and personel tracking system. Our products are used to watch and control various vehicles, communities and parking lots and to help elders, children and disabled to locate and ask for immediate help when necessary and "Spider-man" products are our main products, which integrate with the advanced electronic communication technology of German TI Co., Siemens and Korea and took more than 10 experienced engineers over two years to finish.