pre engineered metal building manufacturers

Jidian Construction Materials Co., Ltd. is a pre engineered metal building manufacturers based in Xiamen, China, with 360,000 tons annual steel capacity and China's highest fabrication qualification. We design, manufacture, and ship pre-engineered metal buildings including portal frame workshops (15–36m clear span), multi-bay industrial buildings, crane-ready structures (5–32t), and warehouses using Q345B/Q355B welded H-section steel. Shop-fabricated to ±2mm tolerance on German, Italian, and Japanese production lines with 100% UT weld inspection per GB/T 11345. 2,000+ projects delivered across 50+ countries. ISO 9001, CE (EN 1090), SGS, and BV certified with complete documentation dossiers for building permits and authority approvals.

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Prefabricated Steel Structure Garage metal garage building

Prefabricated Steel Structure Garage

Prefabricated steel structure garage with modular bolt-together assembly. Supports multi-level stacking, 12-24m clear spans, and 15-25 day delivery. Q355B H-section steel with relocatable bolted design.

Steel Structure Power Plant Building steel structure power plant building

Steel Structure Power Plant Building

Steel structure power plant building engineered for thermal power generation. Integrates boiler suspended loads, turbine vibration isolation, and high-temperature durability. Q355B/Q390B steel framing with 60-90 day delivery.

Heavy Steel Structure Factory Building steel structure factory building

Heavy Steel Structure Factory Building

Heavy steel structure factory building engineered for large-scale manufacturing. Supports 20-100 ton overhead cranes, multi-story production lines, and Q355B H-section steel framing. 50+ year design life with 30-45 day delivery.

Prefabricated steel structure aircraft hangar steel aircraft hangar manufacturer

Prefabricated steel structure aircraft hangar

Large-span steel aircraft hangar with clear width up to 80m, crane-ready columns, and sliding door integration. 30-45 day delivery. Custom-engineered by Jidian Construction Materials Co., Ltd.

Portal frame galvanized industry steel workshop portal frame steel workshop manufacturer

Portal frame galvanized industry steel workshop

Portal frame industrial steel workshop with clear spans up to 36m, crane-ready columns (5-32t), and 25-30 day erection. ISO 15614 welding qualified. Get a custom quote from Jidian Construction Materials Co., Ltd.

Light steel frame metal structure warehouse light steel warehouse manufacturer

Light steel frame metal structure warehouse

If you are looking for the highest quality steel structure supplier, please contact us and our engineers will provide you with a professional quotation plan.

Prefabricated construction portal frame warehouse portal frame warehouse manufacturer

Prefabricated construction portal frame warehouse

If you are looking for the highest quality steel structure supplier, please contact us and our engineers will provide you with a professional quotation plan.

Multi spans prefab metal structure workshop multi span steel workshop manufacturer

Multi spans prefab metal structure workshop

If you are looking for the highest quality steel structure supplier, please contact us and our engineers will provide you with a professional quotation plan.

Why Buyers Choose Jidian for Pre-Engineered Metal Buildings

Custom-engineered pre-engineered metal buildings backed by China's highest steel fabrication qualification, 360,000 tons annual capacity, and full international certifications.

360,000 Ton Annual Capacity with Special Level Qualification

Jidian holds the China Steel Structure Manufacturing Special Level Qualification, the highest grade in China's fabricator classification. With 360,000 tons annual steel capacity, we produce industrial workshops, warehouses, and commercial buildings simultaneously for large-scale procurement programs. 2,000+ projects delivered across 50+ countries.

±2mm Fabrication Tolerance on Imported Production Lines

H-section columns and beams fabricated on German and Italian production lines. CNC plasma cutting, automated SAW welding, and AMADA secondary processing from Japan ensure ±2mm bolt-hole positioning. Components arrive pre-cut, pre-drilled, and ready for bolted assembly—50% faster erection than conventional construction.

100% UT Weld Inspection with Complete Documentation Dossier

100% of full-penetration butt welds undergo ultrasonic testing per GB/T 11345. Welding procedures qualified to ISO 15614-1, welders certified to ISO 9606. Italy Welding Procedure Qualification Certificate enables CE-marked components per EN 1090 for European projects.

National Standard Co-Author with Multi-Code Compliance

All primary steel hot-dip galvanized at ≥275g/m² per ISO 1461. Jidian participated in the formulation and review of China's national steel structure standards. Structures engineered to GB 50009/50017, AASHTO LRFD, Eurocode EN 1991/1993, or BS 5400 depending on your project location.

Free Structural Calculations and 3D Models in 5–10 Days

Every shipment includes mill certificates, weld maps, UT/RT/MT reports, coating thickness records, structural calculations, and assembly drawings. Engineering team delivers 3D models and stamped calculation reports within 5–10 working days—free of charge before production.

How Prefab Steel Building Manufacturers Serve Global Buyers

When procurement managers and project developers in Latin America, Central Asia, and non-EU Eastern Europe search for pre engineered metal building manufacturers, they need a manufacturer that delivers factory-direct prefab steel buildings with full customization capabilities. Jidian Construction Materials Co., Ltd. operates as a direct-from-factory prefab steel building manufacturer based in Xiamen, Fujian, China. With 360,000 tons of annual steel capacity and 1,000,000 m² of annual enclosure system output, Jidian produces portal frame warehouses, light steel frame structures, aircraft hangars, and industrial workshops using Q345B/Q355B welded H-section steel. The company has delivered 2,000+ projects across 50+ countries and holds the China Steel Structure Manufacturing Special Level Qualification—the highest grade in China's fabricator classification. Every prefab steel building is custom-engineered to your specifications, shop-fabricated to ±2mm tolerance, and shipped with complete documentation from Xiamen port.

Factory-Direct Sourcing: Eliminating Middleman Markups

Factory-direct sourcing from a prefab steel building manufacturer offers significant cost advantages over purchasing through trading companies or local distributors. When you buy directly from Jidian, you eliminate middleman markups that typically add 15–30% to the final price. More importantly, direct communication with the manufacturing engineering team ensures that your design requirements are accurately translated into fabrication specifications—no information loss through intermediaries. Jidian's engineering team provides structural calculations, 3D models, and shop drawings within 5–10 working days, free of charge before production. You review and approve every detail before fabrication begins. The quotation includes a transparent price breakdown: steel tonnage, fabrication cost, coating system, hardware, packaging, and estimated freight—no hidden charges.

Prefab Steel Building Types and Applications

Jidian manufactures a range of prefab steel building types, each engineered for specific applications:

Building TypeClear SpanApplicationKey Products
Portal frame warehouse15–36mLogistics, storage, distributionPrefabricated construction portal frame warehouse
Light steel frame warehouse12–24mSmall warehouses, budget projectsLight steel frame metal structure warehouse
Aircraft hangar40–60mAviation maintenance, storagePrefabricated steel structure aircraft hangar
Industrial workshop15–36mManufacturing, assemblyMulti-span prefab metal structure workshop

Each building type can be customized with crane systems (5–32t), mezzanine floors, insulated cladding, ventilation systems, and specific door configurations. Specify your application and functional requirements during inquiry.

Customization Capabilities: Beyond Standard Building Kits

A true prefab steel building manufacturer offers customization beyond standard sizes and configurations. Jidian's customization capabilities include custom span and height to match your site constraints and operational requirements, integrated crane systems with runway beams pre-engineered into the column design, multi-bay configurations with independent crane capacity per bay, insulated cladding systems (PU/EPS/rock wool 50–150mm) for temperature-controlled environments, mezzanine floor integration for two-level storage or office space, customized door configurations (sliding doors, roller doors, hangar doors), and ventilation system integration (tunnel ventilation, ridge vents, roof fans). The engineering team uses your architectural drawings or functional requirements as input and produces a complete structural design including foundation loads, connection details, and material specifications. OEM/ODM services are fully supported—your brand appears on components, packaging, and documentation.

Manufacturing Precision: Equipment and Tolerance Control

The precision of prefab steel building components directly determines on-site assembly speed and structural integrity. Jidian fabricates all components to ±2mm tolerance on critical dimensions—column length, beam span, bolt-hole position, and connection plate alignment. The manufacturing process uses equipment imported from leading industrial nations:

  • Cross-column production line (Germany & Italy): Welds H-section columns and beams from steel plates, producing sections up to 1,500mm web height with automated SAW welding.
  • European longitudinal box production line: Manufactures welded box columns for multi-story and heavy-load structures.
  • CNC plasma cutting: Precision plate preparation for base plates, stiffeners, connection plates. Cut accuracy within ±1mm.
  • AMADA secondary processing line (Japan): Drills bolt holes to ±2mm positioning accuracy, ensuring components align during bolted assembly without field reaming.
  • Automated SAW welding: Consistent full-penetration welds on primary structural members with deep weld penetration and uniform bead quality.

This equipment lineup ensures that when components arrive on site, they fit together exactly as designed—no cutting, drilling, or reaming required. A standard 500 m² warehouse can be erected in 7–10 days with a standard construction crew.

Quality Assurance: Welding, NDT, and Documentation

Jidian's welding procedures are qualified to ISO 15614-1, and every welder carries ISO 9606 certification. The NDT protocol for prefab steel buildings includes 100% UT on all full-penetration butt welds per GB/T 11345, 10–20% RT spot checks on critical welds, and MT on all fillet welds at fatigue-critical details. The Italy Welding Procedure Qualification Certificate enables CE-marked components per EN 1090. Pre-shipment quality control verifies: raw material mill certificates match specified steel grade, weld integrity per UT/RT/MT reports, zinc coating thickness ≥275g/m² for galvanized components (ISO 1461), paint thickness per specification (2×75μm epoxy zinc-rich primer + topcoat), dimensional accuracy against shop drawings, and bolt-hole diameter and position per ISO 10721 connection design. Out-of-tolerance components are reworked before packing—no component ships without passing all QC checks. Each shipment includes a complete documentation dossier: mill certificates, weld maps, NDT reports, coating thickness records, shop drawings, and structural calculation reports.

Enclosure Systems: Cladding and Insulation Options

Prefab steel buildings require enclosure systems that provide weather protection, thermal insulation, and aesthetic finish. Jidian produces 1,000,000 m² of enclosure systems annually, including:

  • Corrugated steel sheeting: Galvanized or pre-painted steel panels (0.5mm thickness) for roof and wall cladding. Cost-effective, suitable for non-insulated buildings.
  • PU/EPS insulated sandwich panels (50–100mm): Polyurethane or expanded polystyrene core between two steel skins. Thermal conductivity 0.022–0.038 W/m·K. Used for temperature-controlled warehouses, food processing, and buildings in extreme climates.
  • Rock wool sandwich panels (50–100mm): Fire-resistant (A1 class per GB 8624) panels for buildings requiring fire safety compliance. Used for chemical storage, power plants, and public buildings.
  • Roof systems: Sloped roof with corrugated steel or insulated panels, gutters, downspouts, and rooflights (PC or FRP) for natural lighting.

Specify your insulation requirements, fire safety standards, and aesthetic preferences during inquiry. The enclosure system is integrated into the structural design—panel lengths, connection details, and support spacing are engineered to match.

Packaging, Container Loading, and Global Shipping

Jidian optimizes packaging and container loading to minimize shipping costs for global buyers. Steel components are bundled with steel straps and fabric-wrapped at ends to protect galvanized surfaces. Small parts go in iron boxes labeled with part numbers. Component dimensions are engineered to fit standard 40ft containers (12m × 2.35m × 2.39m) where possible. Standard shipments use 40ft OT (open top) or 40ft HQ containers from Xiamen port. Shipping times to key destinations: Latin America (West Coast) 30–40 days, Latin America (East Coast) 38–48 days, Central Asia (via rail or sea-land) 20–35 days, non-EU Eastern Europe 30–40 days. Trade terms: FOB Xiamen, CIF destination port, or DDP door delivery. Each shipment includes a complete documentation dossier for import clearance and building permit applications. For Latin American buyers, Jidian provides documentation in Spanish on request.

Serving Latin America, Central Asia, and Eastern Europe Markets

Jidian has extensive experience serving buyers in Latin America (Brazil, Mexico, Chile, Peru, Colombia), Central Asia (Kazakhstan, Uzbekistan, Turkmenistan), and non-EU Eastern Europe (Russia, Ukraine, Belarus, Serbia). For Latin American markets, structures are engineered for seismic zones (up to seismic intensity Grade 8), tropical climates, and high-altitude environments. Documentation is provided in Spanish or Portuguese on request. For Central Asian markets, structures are designed for extreme temperature ranges (-30°C to +45°C), snow loads up to 1.5 kN/m², and seismic activity. For Eastern European markets, structures comply with Eurocode EN 1991/1993 or GOST standards, with CE marking available via the Italy Welding Procedure Qualification Certificate. Payment terms: T/T (30% deposit, 70% before shipment) or L/C at sight. Alibaba Trade Assurance supported. OEM/ODM services available for distributors and trading partners.

Cooperation Process: From Inquiry to Installation

  1. Inquiry: Provide building type, dimensions, crane requirements, insulation needs, local wind/snow/seismic data, and applicable design code.
  2. Design: Structural calculations, 3D models, and assembly drawings within 5–10 working days. Free of charge.
  3. Quotation: Detailed price breakdown including steel tonnage, fabrication, cladding, coating, hardware, and packaging. Within 24 hours of design confirmation.
  4. Production: 25–45 days from drawing sign-off, depending on complexity. Weekly production photos shared.
  5. Quality control: UT, RT, MT, coating thickness, dimensional checks. Full documentation compiled.
  6. Packing and shipping: Steel bundled, small parts in iron boxes, 40ft containers from Xiamen port. Documentation dossier included.
  7. Installation: Assembly drawings, connection sequence videos, and on-site engineer supervision for structures above 2,000 m². Remote support for all projects.

FAQ

Q: What is the difference between a prefab steel building manufacturer and a trading company?
A: A manufacturer like Jidian designs, fabricates, and ships directly from its own factory, eliminating middleman markups and ensuring quality control. A trading company purchases from third-party factories and resells, adding 15–30% markup without controlling production quality.

Q: Can you customize building dimensions beyond standard sizes?
A: Yes. Every building is custom-engineered to your specified dimensions. Clear spans from 12 to 60m, eave heights from 4 to 15m, and unlimited length via modular bay extension. Provide your requirements and we design accordingly.

Q: What insulation options are available for prefab steel buildings?
A: PU/EPS sandwich panels (50–100mm, thermal conductivity 0.022–0.038 W/m·K) for temperature-controlled environments, rock wool panels (A1 fire-resistant) for fire safety compliance, or corrugated steel sheeting for non-insulated buildings.

Q: How are components shipped to Latin America?
A: Standard 40ft OT or HQ containers from Xiamen port. Shipping time: 30–40 days to West Coast, 38–48 days to East Coast. Trade terms: FOB, CIF, or DDP. Component dimensions are optimized for container loading.

Q: What is the minimum order quantity?
A: There is no strict MOQ for custom-engineered buildings. However, single small structures (under 200 m²) may have higher per-unit cost due to engineering and production setup. Batch orders of 3+ buildings achieve better per-unit pricing.

Q: Can you provide documentation in Spanish or Portuguese?
A: Yes. Mill certificates, structural calculations, and assembly drawings can be provided in Spanish or Portuguese on request for Latin American buyers. Standard documentation is in English and Chinese.

Q: What design codes do you comply with for Central Asian projects?
A: We engineer to Eurocode EN 1991/1993, Chinese GB 50009/50017, or GOST standards depending on your project location. Specify your governing code during inquiry.

Q: Do you support Alibaba Trade Assurance?
A: Yes. Trade Assurance is supported for buyer protection. Payment terms: T/T (30% deposit, 70% before shipment) or L/C at sight.

Q: How long does production take?
A: 25–45 days from drawing sign-off, depending on project complexity, tonnage, and enclosure system. Expedited production is available for urgent projects—confirm during inquiry.

Q: Can you manufacture aircraft hangars with large clear spans?
A: Yes. Our Prefabricated steel structure aircraft hangar achieves clear spans of 40–60m using truss or portal frame configurations. Specify aircraft type, door requirements, and clear height for engineering.

Request Pre-Engineered Metal Building Specifications and Quote

Send your building type, required dimensions (length × width × eave height), crane capacity and lifting height, local wind/snow/seismic data, and applicable design code. Jidian's engineering team returns structural calculations, 3D models, and a detailed price breakdown within 24 hours of design confirmation.

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