unction of fiber laser gold engraver use to marking/engraving/printing or etch on many type of metal material and some non metallic material with different design text,symbol,pattern,bar code,2D code, serial number, and suitable for online marking Fiber laser marking machine can work on following material Many type of metals: Gold and silver,copper,aluminum,stainless steel,chrome etc Alloy and metal oxides Some non-metallic materials:siliconwafer,ceramics,plastic,rubber,epoxy