I can’t click the ‘Apply’ when drawing straight line and polygon

CO2 laser marking machine application on plastic bag for logo, code, date, specifications, customizable portable co2 laser engraving machine for more different materials.

Rotary metal fiber laser marking machine for gun logo engraving test on metal cylinder. Customizable metal fiber laser marking machine for more different business needs.

Rotary laser printing machine for led bulb plastic parts. Customizable laser marking machines for different marking business.