Suitable for all materials marking, marking more fine, can be marked on some plastics, fiber is too rough, CO2 is burned out, only ultraviolet will be very fine, such as ink printing, and then permanent imprint, will not be rubbed off or oxidized away;
In addition, you can mark transparent items, such as wine bottles, acrylic products, and optical fiber can not. Because the price is more expensive, it is not possible to use optical fiber and CO2 before choosing.