| Parameter | Specification Details |
|---|---|
| Size | Length X Width X Eave height, according to requirements |
| Type | Single slope, double slope, multi-slope; single span, double-span, multi-span; single floor, double floors |
| Column and beam | Hot rolled or weld H section steel, grade Q345(S355JR) |
| Bracing | X or V or other type bracing made from angle, round pipe |
| Purlin | C or Z section size of C100~C320, Z160~Z300 |
| Roof and wall | Single colorful corrugated steel sheet; sandwich panel with insulation of EPS, ROCK WOOL or PU |
| Accessories | Semi-transparent skylight belts, ventilators, down pipe, out gutter etc. |
| Surface | Frame steel: twice anti-corrosive primer and one finish paint; Secondary steel: hot galvanized |
| Package and loading | Nude cargo loaded into 40'HQ |
| Connection type | Bolted, welding, rivet |
| Design software | PKPM, TEKLA, 3D3S |
| Certificate | ISO9001:2008, BV. |
Good design and good solution: We have a professional engineer team that could provide customized solutions matching client requests.
Quality guarantee: We have an internal quality control department to inspect and test the components during each manufacture step.
Drawing service: We could provide layout plan drawings, structural construction drawings, foundation design drawings, 3D Tekla model files, and step-by-step installation instructions.
Installation guidance: Detailed installation manuals and structural assembly instructions are furnished. We also can dispatch engineers to local sites to assist and guide installation if required.
Loading and packing optimization: We double-check all individual component quantities prior to packaging and arrange optimized placement in 40ft HQ or OT containers.
Shipping arrangement: We can assist with container space booking and shipping logistics before dispatch.
Export documentation: We provide full document support including packing lists, bills of lading, certificates of origin, commercial invoices, and facilitate third-party inspections.
Special requests: Other tailored support and customized manufacturing options according to specific technical client demands.








Reply: Portal frame is the usual type in the industrial workshop and warehouse shed. Other types also could be designed and manufactured as per clients' request.
Reply: Q345 is used for the main steel structure, and Q235 is used for the secondary steel structure.
Reply: Usually, within 45-60 days after the order is confirmed; the exact delivery timeline also depends on the total fabrication quantity.
Reply: Ball blasting Sa 2.5 on main steel structure; manual derust St2.0 on secondary steel structure.
Reply: Color corrugated steel sheets and sandwich panels can be used. Sandwich panels perform well in terms of heat insulation and soundproofing. Common sandwich core materials are EPS, glass wool, and PU.
Reply: We will furnish you with detailed construction drawings and a construction manual to help you erect and install the building step by step. We can also send an engineer to your location to help you if needed.