seal stamp laser engraving machine 1.laser power:40W 2.working ... :400*400mm 3.support graphic format:BMP,PLT 4high quality seal stamp laser engraving machineApplicable materials:Rubber stamps engraving, acrylic engraving ... width tailoring, leather industry, shoemaking, decoration, furniture,packing and printing, model industry, craftwork and gift, etcMachine parameter