bingjliu(#)163.com (default, in Chinese)
bingjliu(#)gmail.com (default, in English)
liubj(#)sxau.edu.cn
liubj(#)geoe.ac.cn (Mainly used for manuscript submission and correspondence)
liubj(#)ieee.org
liubj(#)bjfu.edu.cn (expired)
liubj(#)nefu.edu.cn (expired)
liubj(#)escience.cn (expired)
** Please replace (#) with @