Supply Of 3 Clamp Type Long Seam Welding Machine - Shells Of Dia - 1300to3300 Mm X Max Thk 12mm X Max Len-2000mm Clamp Type Long Seam Welding Machine - Shells Of Dia - 1600to4300 Mm X Max Thk 12mm X Max Len-3000mm Clamp Type Long Seam Welding Machine - Shells Of Dia - 500to1000 Mm X Max Thk 12mm X Max Len-2000mm