Shenzhen AOST Science & Technology Co., Ltd. is a professional manufacturer and exporter who specialize in the digital products, mainly including 5 in 1 car kits, car MP3/MP4, MP3 transmitter, etc. We have professional R&D teams and steady production capability, developed series car MP3 transmitter in succession, which apply widely to car electron, computer multimedia video, mobile video, entertainment, etc. Our operation guideline: quality first, customer uppermost. We mainly use our technology to develop new products. Meanwhile, we communicate & cooperate with research institution actively in order to satisfy the customers’demand.