The Institute of High Energy Physics, Chinese Academy of Sciences completed the construction of the Beijing Electron Positron Collider ( BEPC ) which quietly nestles to the east of the BaBao Hills with a total floor space of more than 50,000 square meters.

　 The purpose of building BEPC is mainly to carry out the research on charm and Tau lepton physics, the applied research on synchrotron radiation as well as mid-energy nuclear physics.