Quality Welding Services at Mobile Welding Sydney. Need a custom fabricated or welded item? We are always happy to fabricate from your prints or specifications. All welding projects are important to us no matter how large or small. We do quality welding and repairs and we stand behind our work. When you need an experienced welder to get the job done right, call Mobile welding in Sydney. We offer local pick-up and delivery on smaller items. We can also provide orders of various steel products cut to size such as angle, round bar, channel, sheet and plate.