Marvel's Portable Welding, INC Welding & Fabrication Visit Website Request Info 32887 Dupont Blvd. Dagsboro, DE 19939 (302) 732-9480 Facebook Hours: 7:00am to 4:00pm Monday through Friday About Map About Welding & Fabrication of Aluminum, Stainless & Steel What's Nearby? Distance: 5 10 15 20 25 50 mi.