Company supplies Q355B square tubes, Q355B square rectangular tubes, Q355B rectangular tubes, and Q355B rectangular profiles. Square tubes are categorized by standards such as Japanese, British, American, European, and non-standard. Square tubes are shaped materials with square cross-section dimensions, made from hot-rolled or cold-rolled strip steel or coil as the base material, cold-bent and shaped. Our company's square tubes, rectangular tubes, and other high-frequency welded pipe products are widely used in light steel structures for walls and roofs, curtain walls, light steel construction, automotive manufacturing, shipbuilding, logistics shelves, and the construction industry. All employees of the company demonstrate a spirit of being earnest, striving for excellence, and advancing together to meet market demands. The company has rich experience in pipe manufacturing and can produce various special specifications of square tubes and rectangular tubes according to customer requirements. The company has a large inventory of square/rectangular tubes and welcomes customers to discuss business. The company adheres to the philosophy of "quality and efficiency, integrity, and win-win," to build a logistics value chain. With a principle of putting reputation first and seeking high sales through low profits, the company operates flexibly to expand the market. The company's long-term and stable cooperation with major steel mills ensures that we provide our new and existing customers with high-quality products and strive to create a mid-to-high-level marketing system. Production equipment and testing facilities ensure the quality of the supplied pipes.

Square tubes are a type of tubular shape with a square cross-section. Many materials can be shaped into square tubes. They are used for various purposes, in different applications. Most square tubes are made of steel, which is unpacked, flattened, coiled, and welded into round tubes, then rolled into square tubes and cut to the required length. Typically, there are 50 tubes per package, with larger sizes being more common, ranging from 10*10*0.8-1.5 to 500*500*10-25. Square tubes are categorized by their use, such as structural square tubes, decorative square tubes, construction square tubes, and mechanical square tubes, etc.