Shenzhen Tracetree Electronic Tech Co., Ltd is a professional manufacturer engaging in GPS Tracker and GSM alarm products€™ design, development , production, sales and after sale service. These products can be used for Personal, Business car , Vehicle and Older. We have been developing several software programme based onIOS and Android system which can work with our hardware. Investing 20 to 30 percent in R&D annually, our R&D team has six years of experience can meet customers demands in OEM and ODM. Under the good operation and management, TRACETREE attend to provide quality services to clients on the global , basis through OEM partner, distribution, agent and Online Shopping, and provide the humanized technology to enrich your life.