How to clean the residue of precision dispenser needle?

How to clean the residue of Precision dispensing needle? Junze technology, a Precision dispensing needle manufacturer, introduces to you:

The needle needs to be cleaned with the cleaning agent corresponding to the glue. First of all, remove the glue; second, install the cleaning agent and punch it again to squeeze out the residual glue in the needle; finally, shake it with ultrasonic wave. Can.