... Working high-alloy steel 3 100% original Laser Spot Welding machine (ETL-M180Y) Application Material: Precision Laser Welding abrasive, ... steel, tool steel with nickel, copper, aluminum and other metal high-Ren materialsTechnique Features: The introduction of German technology, ... , make maintenance service with 72 hours .Order fulfillment process Automatic Laser Spot Welding Machine (ETL-M180Y)