Grooved square steel tube manufacturer, with an 800×800×30mm large cold-formed hollow section steel production line domestically and a 1600mm slitting line. The F200 series utilizes international direct square and rectangular tube technology, capable of producing square tubes from 10×10mm to 1000×1000mm; rectangular tubes from 10×20mm to 800×1200mm; wall thickness from 0.2mm to 100mm, with an annual output of 400,000 tons. We also offer custom-made D-shaped tubes, flat round tubes, triangular tubes, hexagonal tubes, octagonal tubes, trapezoidal steel tubes, conical steel tubes, and more. Our products are widely used in steel structures, machinery manufacturing, construction, automotive manufacturing, shipbuilding, electricity, and many other industries.


Square tube specifications: 13x13 square tube, 15x15 square tube, 16x16 square tube, 18x18 square tube, 19x19 square tube, 20x20, 22x22 square tube, 24x24, 25x25, 25x40 square tube, 28x28, 30x30, 32x32 square tube, 35x35 square tube, 38x38, 40x40, 42x42 square tube, 45x45 square tube, 10x20 square tube, 20x30 square tube, 50x50, 60x60, 70x70, 75x75, 80x80, 90x90, 100x100, 110x110, 120x120, 125x125, 130x130, 135x135, 140x140, 150x150, 160x160, 180x180, 200x200, 220x220, 250x250, 280x280, 300x300, 320x320, 350x350, 400x400, 450x450, 500x500, 550x550, 600x600, 800x800, 1000x1000 square tubes. Custom-made square tubes with special diameters and wall thicknesses are available upon customer request.


The company's spirit of continuous exploration, innovation, diligence, and pragmatism warmly welcomes domestic merchants for visits and guidance!