Shenzhen Yidahang Electronic and Science Co., ltd was found in Match 2004, in the Shenzhen Nanshan High-tech Zone. It&＃39;s a high-tech company which contains the self-determinate invention, manufacturing, sales and service. The company commit itself to the deeply invention focusing on the customers&＃39; needs and wants. The leading production, GP2000 Global Position Searching Tracking and Navigation System, was through continuous debugging and improving and was for sale in August 2005. It&＃39;s famous for it&＃39;s high dependability, high accuracy, low waste, easy operation, small volume and low cost, therefore, it gain a very good comment of the customer.