The 15 MW Heavy Water Research Reactor ( HWRR ) at CIAE in Beijing is the only neutron source available for neutron scattering experiments in China currently. A new research reactor

China Advanced Research Reactor ( CARR )

now is being built at CIAE to meet the increasing demand of neutron scattering research in China. A brief introduction to background of HWRR

CARR and the facilities to be installed at CARR has been given in this paper.