As a professional manufacturer and supplier, our company provide Others, Accessories, navigation, GPS, and more from China.
China Aerospae Telecommunications Limited (Castel Group for short), founded in 1997, is a subsidiary of China Aerospace Science and Technology Corporation (CASC). As one of the co-founders of China GPS Association, Castel Group has over 10 years' experience in GPS and LBS application, and wireless communication and access, and is engaged in the R&D, manufacture and sale of customized integrated solutions.
Our Products/Services: Global vehicle fleet management operation services, Operating Platform services, Personal tracker, Vehicle navigation, OBD-Smart .
Gps Tracking And Fleet Management System