The laser marking is normal and the red light is relatively weak. How to solve it?

Flying CO2 laser marking machine application for production date on soy?sauce bottle, co2 laser marking date of manufacutre for production line on plastic bottle.

UV laser engraving machine application on plastic cap for code, date, letters, laser code printing application.

UV laser marking machine application for logo, buttons label on plastic, customizable uv laser marking machine for more different products.