Different materials have different effects. If it is kitchen and bathroom ceramics, you need to put special laser paper on the ceramics, and then you can mark black or other colors. If it is other ceramics, you need to tell us( sales@mactron-tech.com) the specific material.
Are the white tiles coated to produce the mark? Will it produce a dark black mark on glazed ceramic?
Different materials have different effects. If it is kitchen and bathroom ceramics, you need to put special laser paper on the ceramics, and then you can mark black or other colors.
If it is other ceramics, you need to tell us( sales@mactron-tech.com) the specific material.