... :PLT.BMP.JPG.etc YAG Laser Marking Machine for Steel pipe(HW LASER) are detailed as follow:Technical parameters ... control, continuously adjustable. 3: low processing costs, ink and other printing supplies without.4: use of scanners, high ... tools, accessories, precision instruments, eyeglasses and clocks, jewelry, auto parts, plastic buttons, construction material, PVC pipe, medical equipment, etc. .3 ...