How is the market for vacuum blackboard?

The electric blackboard eraser mainly overcomes the shortcomings of low efficiency and flying dust of the existing blackboard eraser. Using it, teachers and students can easily erase chalk words, and will not produce annoying chalk dust, which greatly changes the cleanliness inside and outside the classroom, is beneficial to the health of teachers and students, and creates a good teaching environment for them. There is an air outlet at the back of the outer shell, a motor at the back of the inner shell, a turbofan on the rotor, a brush at the front end of the rotor, a dust shield at the back of the brush and a filter below. When the power supply is connected, the motor rotates to drive the brush and the fan to rotate together, and the brush contacts the blackboard to erase the handwriting. The generated dust moves backward under the action of the back blowing generated by the isolation cover and the fan, is filtered out in the filter, and the quiet air is discharged at the air outlet. In this way, it is convenient to complete the functions of erasing words and withdrawing students. When the dust is full, you can pull out the filter and dump it, and then enrich it in its original position. This product will be welcomed by teachers and students. According to preliminary statistics, the potential sales volume of the school market alone exceeds100000 units, and the market potential is enormous.

Electric erasers are divided into rechargeable and dry types.