China steel structure building Manufacturer, Supplier, Factory

This custom prefabricated portal frame steel structure warehouse & workshop is made of high-strength Q355B steel with full hot-dipped galvanized anti-rust treatment. Supported by free professional design, the column-free large-span space maximizes storage and production area. All components are prefabricated in factory for quick bolt assembly, cutting construction time and total cost. Our products pass CE and ISO certification, fully customized in size, layout and accessories for industrial factories, logistics storage and processing workshops. We provide complete drawings, installation guides and reliable after-sales technical support.

# Product Summary Our Q355B hot rolled H beam is high strength structural steel for building construction support Made of standard Q355B carbon steel the beam features stable mechanical property strong load bearing capacity and uniform structure The surface can be customized with galvanized treatment for anti rust and anti corrosion We supply various sizes and specifications and accept custom sizes as project demands As direct factory supplier we conduct strict quality inspection for every batch All H beams are widely used in factory warehouse bridge high rise building and other engineering support projects with competitive wholesale price and stable delivery time

Our prefabricated steel warehouse & steel shed boasts mature manufacturing technology and independent R&D teams, continuously optimizing frame structure and anti-corrosion craft. Equipped with large automated workshops, we own stable inventory and huge annual sales volume, having completed thousands of cooperative projects across South America, Africa and Southeast Asia. Widely applied in logistics storage, factory workshops, poultry houses and greenhouses, the steel structure complies with local building codes. All components are prefabricated for quick installation, durable against extreme weather, with 50-year service life. We supply customized drawings, global logistics and full after-sales service to satisfy diverse construction demands of overseas clients.

We provide custom large span prefabricated steel workshop and industrial prefab warehouse with sturdy H section steel frame. Designed for industrial factory use, this modular steel building features stable structure, fast assembly, high space utilization and long service life. All sizes and structural parameters can be customized to fit various industrial construction and storage needs.

Our customized wide-span prefabricated steel structure factory warehouse delivers large column-free interior space. All steel components are prefabricated in factory for quick on-site assembly. Supports full customization of dimension, roof wall material and accessory systems, ideal for industrial workshops, storage warehouses and processing plants.

This prefabricated light gauge steel warehouse adopts high-strength galvalume steel as main frame, featuring lightweight structure, greatly shortening construction period and cutting foundation cost. It boasts excellent earthquake, wind, corrosion and termite resistance with 50–70 years service life. Clear-span interior maximizes storage utilization; walls filled with insulation cotton realize energy-saving thermal insulation. The whole building is detachable, recyclable and easy for layout adjustment. Custom sizes, colors, doors & accessories are available, with CE & ISO certification, ideal for logistics storage, factory workshops, agricultural barns worldwide.