Shenzhen Zhongkaida Technology Co., Ltd. is a professional company specializing in electronic products in educational industry. With many years' development, we have already had core software and hardware technologies under our own intellectual property. Our company invests more funds and technologies in multi-media industry. We have produced our main series electronic products, including Digital Machines, Adalines, Digital Reading Pens, PDA, Electronic translators and other products since 2006. Furthermore, our company focused on hot skills and products following the market developing trends in 2008 and developed new digital video reading pens for kids' studies. We are offering core chipsets and key software to many enterprises in educational business at the same time. Till now, we have been accepted as the leading manufacturing enterprise that focuses on core technology development and the manufacture and processing of electronic video reading pens in native market.