V.KEL( www.vkelcom.com & www.aliexpress.com/store/1941321) have been professional in manufacturing location service support, including GPS/GNSS devices(GPS Modules, GPS Trackers) for 15 years. Our highly trained and experienced R&D engineers, create tiny but durable GPS/GNSS devices with reliable SiRF, U-blox and MTK chipsets. Besides, we apply the latest GPS/GNSS technology and chipsets in the design and manufacture of GPS/GNSS modules and engine boards for AVL (automatic vehicle locator) and driving recorder applications. What?s more, we highly welcome OEM/ODM projects.