Thirty hemodialysis machines are up and running at Wuhan No. 8 Hospital. These machines will be used to treat coronavirus patients in need of hemodialysis.

To ensure the patients' safety, the power supply for the machines must be stable, so the staff at the State Grid's Wuhan Power Supply Company worked day and night to secure additional power.

Normally, it takes a month to meet additional power demand for the hemodialysis machines, but this time Zhou Li and his colleagues became the "Flash Men" in the power grid construction.