SLTL is based out of Gujarat, India. They build industrial laser machines for a variety of industries ranging from diamonds to defense. They also build laser CNC and pulse welding machines (also in the video) For more information, go to sltl. UC9iHcD8v9l3yCId0aHsWvYA laser engraving machine #World39s #FASTEST #Laser #Engraving #Machine