1 abrasive for this machine 2 Cold Working high-alloy steel 3 100% original Laser Spot Welding machine (ETL-M180Y) Application Material: Precision Laser Welding abrasive, Cold Working high-alloy steel, hot satin high-alloy steel, tool steel with nickel, copper, aluminum and other metal high-Ren materialsTechnique Features: The introduction of German technology, imports the British ceramic laser ...