Irizar Heavy Industries Inc. is proudly a Canadian Company with headquarters in Edmonton, Canada. We are proud to own The Wor ... ld Largest Stock of Welding Positioning Equipment’s and Tank Lifting Jacks. Product Range: Tank Lifting Jacks: Up to 3,000 MT tank weight lifting capacity. Jacks with load capacity of 12 MT & 25 MT. Applicable on Field Erected Tanks API-650, LNG API-620 Welded Tanks, Grain Bins, Smooth Wall Bolted Tanks. Girth Welders: AGW-1, AGW-2, LNG AGW-1 & Motorized Baskets. Also known as: 3 O’Clock Welders and Automatic Girth Welders Conventional Welding Rotators: From 1 to 3,000 MT. Also known as: Tank Rollers, Welding Rollers, Tank Rotators, Weld Rotators, Pipe Rotators, Welding Rolls, Welding Rotators, Vessel Rollers, Tank Rolls and Turning Rolls Self Aligned Rotators: From 5 to 500 MT. Also known as: Self Aligning, Self Adjusted, Self Alignment and Self Adjustment Rollers Welding Manipulators: From 2 x 2 m to 8 x 6 m (vertical x horizontal). Also known as: Welding Booms and Welding Columns read more