... welding structure, bending parts, casting, and Aluminum extrusion etc.2.Have produced more than 5000 items according to custom ... ) *Painting*Welding, *Laser cutting*Flame cutting *Aluminum extrusionSurface treatment ... Polishing, Chrome/Zinc/Nickel Plating, Painting, Anodizing , E-coatingFile Formats PDF, Pro/Engineer, SolidWorks, Auto CAD etc. Custom steel welding ...