Shenzhen Yiwen Technology Co., Ltd., professional GPS tracker manufacturer and GPS tracking software developer, which has a main core GPS tracking technical team group with over 5 years experience to provide GPS tracker OEM/ODM and GPS tracking software customization services, established in 2013 and locating in Shenzhen city, Guangdong province, China. As cooperated with over 300 enterprises, government departments, telecom companies and TV stations in the world.