Our company produce the magnesium alloy and aluminium alloy tubes by extrusion method. The Max. OD can be 600mm, Max. Thickness can be 125mm; Max. Size for the flat bar is 920x160mm; Max. Size for U-shape is 800x300mm; Max. Size for Rectangular is 700x200mm; Max. Size for Square tube is 430x430mm; Max. Length is 30 meters/each. Looking forward to enquiries.