In 1990, BIEC was established in Chinese mainland and began project construction;

  In 1998, BIEC began construction of its first overseas project.

  In 2005, Northeast Branch was established;

  In 2012, the property management department was established.

  In 2014, the company reorganized and opened up other fields and established the Southwest Branch;

  In 2017, the Environmental Protection Division was established.

  In 2019, East China Branch was established;

  In 2022, the Robotics Division will be established.