Sentien has been established for more than ten years. Now our company has become one of the leading GPS trackers manufacturers in Shenzhen, China. We have our unique GPS trackers, because we have our own manufacturing facilities and R&D team, which consists of more than 15 engineers.We have our own advantages compared with our competitors as follows:



( 1)better quality product less than 1% defective rate

(2)20% lower price, specifically please refer to the attachment

(3)unique hardware ...