Bolton Technology Developing Co.,Ltd established in 2006, and dedicated to the research, development, manufacture sales of MP3 MP4 Players, Mobile Phone ,GPS, digital photo frame other electronic products. We design our music players meet your ...

manufaturer of qualified pen camera.And the first mini pen DVR with the function of both kinescope and record. we make now 2,000pcs per day, as we are factory we can provide you the best quotation with the best quality.