... (SF group, OEM) spply every kinds of Laser Engraving Machine used in cutting, carving processing to wood, plastic, marble ... ,metal. YAG Laser Welding Machine adopt:1. The device can be used for precision ultra ... apply to the different material welding like brass-copper, titanium- molybdenum, nickel- titanium etc..Widely used in aviation, spaceflight, warship, landification ...