Shandong Heshengda Iron and Steel Co., Ltd.Specialized in production;Seamless square tubes, welded square tubes, large diameter thick-walled square tubes, special angle square tubes for curtain walls, right angle square tubes，Seamless Steel Pipe, Seamless TubeA physical manufacturer.Square Tube15×15--1200*1200mm, rectangular tube20×30--200 * 1000mm, maximum thickness up to 50mm。Seamless Steel Pipe8-1020 x thick 1-120.MaterialNo Chinese content provided.：20#、45#、Q345、Q355--Q690B, C, D, E, and various other modelsAlloy steelMaterial.

We offer a variety of types including seamless square tubes, sharp-angled square tubes, right-angled square tubes, cold-drawn square tubes, elliptical tubes, glass curtain wall square tubes, large-diameter thick-walled square tubes, and can also produce special specifications such as diamond, triangular, pentagonal, hexagonal, and sector shapes. We also customize according to customer-provided drawings and dimensions. Seamless SquareJǔ (Mǔ)The product is meticulously crafted through multiple processes, including annealing, pickling, rolling, heat treatment to relieve internal stress, straightening, cutting, and polishing, resulting in a smooth surface both inside and out.Flat、Straight LineHigh dimensional accuracy, stable internal quality. Widely applied in bridge construction, machinery and equipment fields, manufacturing conveying pipelines, hydraulic supports, telescopic rods, etc.

CompanyEquipped with two large electric furnaces for annealing and normalizing heat treatment. Features a high-precision rectangular tube straightening machine. Capable of cutting and processing to customer specifications: fixed length, shot blasting, and painting.、Hot-dip galvanized、Laser Processing！