ERW Square/Rectangle Tube Mill a.Square Tube: 200*200- 450*450mm b.Rectangle ... feeding machine, flattening mahcine, shear&welder, horizontal accumulator, forming&sizing mill, HF induction welder, cooling device, seam bead trimmer, annealer, pullingout ... of size and dismension, weight mearsurer, mark painter, protective oil painter, collecting machine, packing machine.If you need more information ...