Mushroom grooved tubes in sizes 121*81, 50*85 triangular grooved tubes. Our company, a professional manufacturer, integrates production, manufacturing, and sales. We specialize in producing micro tubes, micro steel tubes, micro welded tubes, micro furniture tubes, micro clothes hanger tubes, micro oxygen blowing tubes, black annealed micro tubes, galvanized micro welded tubes, thin-walled micro tubes, small-diameter steel tubes, diameters: 6mm-3500mm, wall thickness: 0.4mm-15mm, special-shaped tubes, triangular tubes, hexagonal tubes, elliptical tubes, plum blossom tubes, D-shaped tubes, fan-shaped steel tubes, square steel tubes, rectangular steel tubes. We can also produce tubes, triangular tubes, hexagonal tubes, flat elliptical tubes, D-shaped tubes, special-shaped tubes, plum blossom tubes, thick-walled square tubes, alloy square tubes, triangular tubes, hexagonal tubes, elliptical tubes, D-shaped tubes, convex tubes, concave tubes, semi-circular tubes, bun tubes, ingot tubes, octagonal tubes, and polygonal steel tubes in any special shape. We offer nearly a thousand specifications and shapes of seamless steel tubes, welded steel tubes, black annealed, galvanized, tropical, and more. We can also apply hot-dip galvanizing to all products for enhanced durability.