We are steel tube distributor in China. Our factory could produce Welded tube, ERW tube, Bright finished or black, HR or CR. Also we could supply Galvanized pipes. There are many grades and shapes. Square, rectangular, triangle, oval, round. Square Size: 10mm x 10mm - 600mm x 600mm, Rectangular size: 10mm x 20mm - 400mm x 600mmRound size: OD12.7mm to 720mmThickness: 0.5mm - 20mm Do you still need steel tubes? If so, please tell your detailed information of tubes, and your e-mail, then I will give you quotation.