Discover the ComMarker B4: a compact, efficient JPT MOPA fiber laser marking machine. It combines advanced mopa and jpt laser technologies for precise, versatile engraving on... moreDiscover the ComMarker B4: a compact, efficient JPT MOPA fiber laser marking machine. It combines advanced mopa and jpt laser technologies for precise, versatile engraving on various materials.https://commarker.com/product/commarker-b4-jpt-mopa-fiber-laser-marking-machine/