Welding and Custom Metal Fabrication. Materials include Aluminum, Stainless Steel, Titanium and Zirconium. Products include exhaust manifolds, grid coil and tube bundle heat-exchangers. Proto-types, low production runs and repair. GTAW, GMAW, and SMAW. AWS Specifications D1.1, D10.4, D10.6, D17.1 Defense Industry Quality Assurance Inspections and Audits Mil-I-45208.