We have 1 color and 2 colors toothbrush handles pad printing machine, it can print 4pcs handles at a time, very fast.
It combines with flame treatment & auto cleaning and robot unloading, and automatic printing.
please see the video link at
https://youtu.be/9gUkuEcBiI8
https://youtu.be/v9zxQiw6uaE