Object: Electronic Auction - The Object Of This Bidding Is The Hiring Of A Specialized Company To Supply, Through Cylinder Recharge, Oxygen Gas, Acetylene Gas And Argon Gas Of Industrial Use - Continuously And On Demand - To Perform Welding Services And Steel Cut For Maintenance Of Equipment Belonging To Der -Df And Other Services, Quantities And Requirements Established In The Edict And Its Attachments.