China Radio Tech.,Limited, have nearly 6 years of experience manufacturing GPS modules and tracking devices. Our in-house manufacturing enables us to offer you top-notch products at competitive prices . We provide complete wireless communication intelligent terminal solution(ID,MD,HW,SW,Manufacturing,TE,QA). Full OEM/ODM services from our in-house R&D team.We can provide global buyers with GPS tracker,GPS solutions and comprehensive OEM and ODM services. Our R&D team consists of 20 hardware and software engineers who are led by a veteran with ten years' industry experience. With such technical backing, we can complete all R&D steps -- including firmware and software development. Welcome to be our business partner.