Beijing Raytrans Digital Technology Co., Ltd. (rdt) is one of China"s leading telecom manufacturers. We were founded in 2002 in national key high and new tech industry base--shangdi information industry base, and registered by some returned scholars and key members of telecommunication field throughout China. Rdt holds abundant capital and technologies. At present, over ten senior technicians are working in our company and dozens of patent techniques are in use. Many fruits of scientific researches are listed in national key forster projects.