DID is mainly engaged in R&D of nuclear detection instrument, It has wide experiences in the development of radioactive measurement instrument and has trained large numbers of famous specialists.Many achievements represent the highest professional level in China.  
Main products developed for the markets include gamma-ray radiometer, multi-channel gamma-ray spectrometer, drill-core recorder, oriented radiometer, X-gamma-ray dose rate meter and radon scope etc.
   DID will put more efforts on development of new instruments and provide high quality technical service for its clients.