Vic-zone Co., limited is one of the largest and professional ODM/OEM r&d and manufactory of GPS tracker in China, our product line covers personal/pet GPS tracker, car GPS tracker as well as platform software. We have set up a r&d center of GPS and communication in cooperation with Beijing university of posts and telecommunication on feb. 2, 2008. We can get support from over 200 professors in the university, and it is the most famous university of it in China. With years of development experience in ODM/OEM service for customers. We have successfully design the products for customers who are from USA, Europe and many other countries. And enjoy a high praise from them.