Shenzhen Qing Xin Electronic Technology Co., Ltd. has been a specialized manufacturer of MP3 players and USB flash drives since 1998. Now our product includes Tablet PC, Hidden Camera, Mobile Phone, Portable Scanner etc. Firmly believing customers come first, we recognize that high quality and good service is the key to provide total customer satisfaction. Accordingly, we have implemented a comprehensive quality management system. Our strict QC department also ensures customers receive the ...