... materials, serial numbers and barcode marking, electric parts, mobile phone keypad, cell phone covers, surgical instruments, hardware metals, watch ... ×110mm, 130mm×130mm, 175mm×175mmWorking tableManuel up and down aluminium alloy working tableMarking speed0-7000mm/sCooling ... Sector :Marking graphs,barcodes,serial numbers,texts,letters and logo for electronic components, electrical appliances, jewelry, ...