The laser marking machine uses a laser beam to make permanent…
https://www.triumphlaser.com/wp-content/uploads/RF-laser-tube.jpg471600triumphlaserhttps://www.triumphlaser.com/wp-content/uploads/logo.pngtriumphlaser2020-09-06 05:53:002020-09-04 06:20:07The difference between glass tube and RF tube of CO2 laser marking machine