We are Beijing DSNuclear Technology Co.Ltd(Website: http://www.dsnuclear.com/) . It is a professional mainly engaged in nuclear instruments such as the radiation protection of the field of product research, development, production and sales of high-tech enterprises. The product is mainly applied to the environmental protection, the nuclear facilities, commodity inspection, customs, the army, and the academy of learning, etc. Provide alpha, beta, X, gamma rays, neutron all sorts of professional nuclear radiation monitoring instruments, the products are the United States huarui research and development such as , Dose RAE2 PRM-1200 (Electronic Dosimeter for Personal Radiation Dosage Monitoring), Gamma RAE II R PRM-3040 and Gamma RAE II R R 3041(rechargeable and portable type) etc. Meeting the need of the market for nuclear testing instrument .