Products

HAISHENG is a professional manufacturer and supplier of square hollow steel tube purlins. These load-bearing structural components are fabricated from square seamless or welded rectangular steel tubes through processes such as straightening, cutting to length, punching, and anti-corrosion treatment. Featuring a standard square cross-section, they offer balanced load distribution across all four sides, high rigidity, and superior stability. They are widely used in light steel building roofs, walls, and load-bearing frameworks that require high load-bearing capacity, handle complex stress conditions, or feature regular geometric designs.

As a direct manufacturer, HAISHENG Steel Structure offers immediate stock of Hot Rolled Steel Channel Purlins for Roofing, with support for custom hole punching, accessory fabrication, and specialized anti-corrosion or color-coating treatments. Compliant with the GB/T707 national standard and manufactured from Q235B hot-rolled steel, our products feature anti-corrosion options including painting and hot-dip galvanizing. They are specifically designed to meet procurement needs for heavy-load roofing, the renovation of aging industrial facilities, and purlin replacement in high-temperature workshops.

Are you looking for a professional and reliable manufacturer of Cold Rolled Z Section Steel Purlins? HAISHENG supports bulk wholesale, custom specifications, and bundled shipping with matching accessories. Our profiles are cold-formed from Q235B hot-dip galvanized steel strip, making them suitable for various steep-slope, long-span steel structure roofs. We offer two tiers of anti-corrosion galvanizing standards tailored for inland and coastal environments. With our own in-house cold-forming production lines, we can simultaneously supply a complete set of installation accessories, including sag rods, flange braces, and purlin cleats.

HAISHENG supplies high-quality Cold Rolled C Section Steel Purlins, we are a professional manufacturer and supplier of steel structural components. These C-section purlins are formed through the continuous cold-roll forming of hot-rolled steel strips using fully automated machinery. They feature a standard C-shaped cross-section and are classified as lightweight, thin-walled structural profiles. Produced without the need for hot processing, they offer precise dimensions and an optimized cross-sectional shape. They are widely used as load-bearing and structural support components—such as wall purlins, roof purlins, brackets, columns, and secondary beams—in steel-structured buildings.

As a reliable manufacturer and one-stop supplier of steel structures in China, HAISHENG provides Steel Roof Gutter System for Buildings. These are trough-like drainage components installed between roof spans, at the junctions of high and low roof sections, or along parapet walls. They serve as core elements of organized drainage systems, collecting rainwater from the roof and channeling it into downpipes for discharge, thereby preventing uncontrolled runoff from eroding walls and foundations.

Choose HAISHENG—a China-based, one-stop supplier of prefabricated steel wall cladding panels. We offer three core procurement services: custom cutting, complete system customization, and full-container direct shipping. Our panels feature a range of Al-Zn (Aluminium-Zinc) substrates and paint finishes, making them suitable for exterior wall cladding in inland, riverside, coastal, and chemical plant environments.