... and accuracy,stable performance,and can be placed conveniently on the desk.Smoke purifier can be specially installed. 1. it is ... other nonmetal material. 2.It can carve the names,models,logos,design,date on the electronic components. 3.It can do cutting, and ... .It can engrave all kinds of seal,such as on the material of horn,wood,red plastic,acrylic,ink pad,and ...