The “Q/SM711-2021 SMJ series pure electric sweeper standard” of the Shijiazhuang Coal Machinery Company affiliated to Equipment Company won the title of “Pioneer ”of Hebei Enterprise standard. The maximum suction particle size, the cleaning speed, the cleaning rate and the sewage recovery rate and other performance indicators stipulated in the standard are 2-80 percentage points higher than the domestic pure electric cleaning vehicle of the same type, which is at the domestic advanced level. (Equipment Company)