ITRI and Taiwan Mask Corporation's Low-Carbon Laser H-Beam Welding revolutionizes the manufacture of steel structures for the building industry by achieving full penetration welds, energy-saving and lower CO2 emissions. Through digital twins, intelligent weld-path tracking, precision positioning and auto-loading and -unloading, it reduces labor needs, shortens lead times, and eliminates post-treatment, increasing production capacity of H-beams fivefold at a third of the cost.