Industrial Grade OEM & Modular Prefab Engineering

Buy Prefabricated Steel House Factories & Suppliers

Direct from Tianjin Huizhong Xinyu (HZXY) Steel Cluster: High-capacity structural framing, hot-rolled sections, and turnkey multi-unit light steel modular housing systems certified for global building codes.

Direct Mill Supply

Precision Steel Components for Prefab Houses

Explore our core structural steel inventory, engineered with millimeter tolerances for rapid on-site assembly of residential, commercial, and industrial prefabricated steel units.

A36 Q235 Grade H-Beam for Prefab Columns

A36 / Q235 Grade H-Beam

Hot-rolled heavy structural H-beams for prefab multi-story frameworks, portal frames, and structural columns with customized punching and pre-welded connection brackets.

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PPGI Prepainted Steel Coil for Prefab Roofing

PPGI Prepainted Steel Coil

High-durability color-coated coils optimized for thermal sandwich panels, corrugated exterior facade cladding, and prefabricated weather-tight roofing solutions.

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Galvanized Channel Steel C-Purlin

Galvanized Channel Steel (C/U)

Corrosion-resistant structural channels designed for floor joists, wall framing, and purlins in modular container homes and light-gauge prefabricated steel houses.

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Perforated Galvanized Angle Steel

Perforated Galvanized Angle Steel

CNC-slotted structural carbon angles providing rapid bolt-assembly node connections for prefab trusses, interior module reinforcement, and exterior brackets.

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Deformed Steel Rebar for Prefab Foundation

Deformed Foundation Rebar (6-12mm)

High-yield reinforced bars tailored for concrete pad foundations, foundation piles, and precast beam footings anchorings used in modular buildings.

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Galvanized Hollow Section Steel Pipe

Galvanized Structural Hollow Pipe

Round and square hollow profiles serving as high-strength internal support pillars, site scaffolding, and pre-engineered plumbing-ready conduit columns.

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Hot-Dip Galvanized Flat Steel Bar

Hot-Dip Galvanized Flat Steel Bar

Heavy-duty flat bars for prefab grounding earth-grids, wall tie-back plates, facade joint brackets, and seismic diagonal stabilization strapping.

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MEP Pipeline Valves and Fittings

Integrated MEP Valves & Pipelines

Factory-matched gate, butterfly, and check valves matched with PVC conduits to deliver fully modularized plug-and-play MEP infrastructure for steel homes.

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Supply Chain Excellence

Why International Developers Source Prefab Steel Houses from China

The global construction paradigm is shifting decisively toward Off-Site Manufacturing (OSM) and Pre-Engineered Building (PEB) systems. Sourcing direct from the Tianjin-Tangshan manufacturing corridor unlocks unmatched technical and economic advantages.

Mass Industrial Cluster Synergy

Tianjin Huizhong Xinyu (HZXY) operates across 1,500 acres in Daqiuzhuang, the epicenter of Chinese steelmaking. Proximity to raw smelting, cold/hot continuous rolling, hot-dip galvanizing baths, and pipe lines eliminates cross-country logistics costs and minimizes lead times from months to weeks.

Automated Precision Off-Site Fabrication

By implementing automated multi-axis plasma cutting, robotic welding cells, and automated punching machines, Chinese prefab steel fabricators ensure millimeter tolerance across columns, beams, purlins, and wall assemblies. This precision eradicates costly rework on the construction site.

Speed to Market & CAPEX Reduction

Conventional on-site builds suffer from weather delays, labor shortages, and material waste. China's modular prefab frameworks achieve up to 70% faster construction timelines while reducing overall capital expenditures by 25% to 40%, optimizing internal rate of return for real estate investors.

1996
Year Established
1,500+
Acres of Production Bases
10M+
Annual Metric Ton Capacity
50+
Global Export Markets
Engineering Governance

Localized Engineering, Building Codes & Global Compliance

A primary friction point for international buyers is ensuring imported prefabricated steel structures conform with municipal building regulations, structural safety criteria, and environmental load factors.

Multi-Jurisdictional Structural Standards

HZXY structural components are engineered to fulfill the stringent requirements of international building authorities. Whether your engineers design to the International Building Code (IBC), Eurocodes (EN 1993), or Australian Standards (AS/NZS 4600), our metallurgy and structural tolerances align with corresponding GB standards (GB/T 1591-2018).

  • Seismic Engineering: Designed with high-ductility connection joints and moment-resisting frames to withstand seismic zone IV and V design categories.
  • Wind Load Resistance: Structural light steel calculations rated for cyclonic and hurricane zones up to Class 14 winds (250+ km/h).
  • Anti-Corrosion Longevity: High-grade hot-dip galvanizing with coating thicknesses from 275 g/m² up to 600 g/m² (ISO 1461), ensuring 50+ year structural lifespans in high-salinity coastal environments.
  • Fire Protection: Pre-engineered integrations compatible with intumescent fireproofing, calcium silicate boarding, and non-combustible A1-rated rockwool panels.

International Steel Grade Cross-Reference

China (GB) USA (ASTM) Europe (EN) Min. Yield Prefab House Usage
Q235B A36 S235JR 235 MPa Purlins, Trusses, Interior Studs
Q355B A572 Gr.50 S355JR 355 MPa Load-Bearing Columns, Floor Beams
DX51D+Z A653 CS DX51D+Z Forming Exterior Roof/Wall Cladding
SAE1008 AISI 1008 DC01 Drawn Fasteners, Mesh Reinforcement

*All raw materials ship with certified 3.1 Mill Test Certificates (MTC) following strict chemical analysis and tensile/impact tests.

Market Demand Analysis

Meeting the Procurement Requirements of Global Buyers

Across diversified project scales, procurement officers require more than just materials—they demand supply chain reliability, packaging optimization, and financial safety.

EPC Contractors

Demands consolidated bills of materials (BOM). Combining structural profiles, pipes, and valves in uniform container shipments to drastically lower site management overhead.

Real Estate Developers

Requires scalable, repeatable modular floorplans for affordable housing initiatives, multi-family suburban expansions, and resort modular villas with guaranteed delivery schedules.

Mining & Energy Camps

Urgent need for rapidly deployable workforce accommodations, containerized mobile offices, and medical clinics capable of surviving harsh desert or sub-arctic environments.

Disaster Relief Agencies

Values flat-pack nesting technology. Optimizing shipping volumes so that up to four complete housing units fit inside a single standard 40-foot High-Cube maritime container.

Future Horizon

Emerging Trends Shaping Prefabricated Steel Housing

The prefabricated building ecosystem is undergoing rapid technological convergence. Staying competitive requires understanding how modern fabrication aligns with environmental and computational advancements.

BIM Integration & Digital Twins

Building Information Modeling (BIM) bridges structural design and CNC manufacturing. By generating 3D parametric steel fabrication models, structural components are pre-coded with unique QR codes for real-time tracking from factory cutting bed to site bolt-up.

Decarbonization & Green Steel

Regulatory frameworks such as the EU Carbon Border Adjustment Mechanism (CBAM) are prioritizing lower-embodied-carbon construction. Prefab steel houses feature 95%+ recyclable metals and utilize electric arc furnace (EAF) processing to drastically lower life-cycle carbon footprints.

Turnkey Net-Zero Energy Modules

Modern prefab homes are transitioning into active energy generators. Structural framing comes factory-engineered to host structural solar BIPV roofing, high-efficiency mechanical ventilation heat recovery (MVHR) conduits, and hyper-insulated wall systems.

Field Applications

Tested in Demanding Global Environments & Flagship Projects

HZXY steel components have backed major global construction milestones. Discover our performance across diverse topographical and environmental conditions.

Coastal Resort Modular Villas

Region: Southeast Asia & Caribbean Islands
Challenge: 100% relative humidity, salt air corrosion, and cyclonic weather.
Solution: Complete C-channel and H-beam skeletons hot-dip galvanized to 500g/m² zinc thickness with heavy-gauge fluorocarbon prepainted wall sheeting.

Remote Mining Accommodations

Region: Western Australia & Sub-Saharan Africa
Challenge: Rapid deployment in hyper-arid, high-temperature deserts.
Solution: Plug-and-play modular flat-pack steel units with pre-integrated insulated MEP plumbing and thermal-break floor trusses erected in 48 hours per block.

Urban Seismic Infill Housing

Region: Latin America (Chile, Peru, Mexico)
Challenge: Stringent seismic building codes and narrow urban access.
Solution: Light-gauge cold-formed steel frames anchored by heavy Q355B H-beam corner columns, achieving exceptional strength-to-weight ratios.

Fabrication Ecosystem

End-to-End Processing & Quality Control Protocol

Steel delivered ready for on-site installation, eliminating labor-intensive cutting, welding, and anti-rust coating operations in the field.

1. Precision CNC Sawing

Fixed-length beam and pipe trimming with angular cutting accuracy of ±1mm, deburred and ready for immediate bolt connection without flame cutting on site.

2. Submerged Arc Welding

Automated continuous structural seam welding verifying full structural penetration for column splice joints and base plates, eliminating porosity risks.

3. Heavy Galvanizing

Fully submerged hot-dip galvanizing lines offering uniform surface isolation, zinc alloy adhesion, and cathodic protection against moisture and chemicals.

4. Third-Party NDT

Complete Non-Destructive Testing (ultrasonic weld checks, tensile load verifications, coating thickness gauges) certified by SGS, BV, or client-nominated auditors.

Procurement Clarity

Frequently Asked Questions for Overseas Buyers

Everything you need to know about custom sizing, shipping consolidation, international standards compliance, and factory direct purchasing.

Where is HZXY located and which port do you ship from?
HZXY is headquartered in the Daqiuzhuang Industrial Zone, Jinghai District, Tianjin, China—one of the world's most concentrated steel manufacturing clusters—with secondary production facilities in Tangshan. Most export orders are directly loaded through Tianjin Port (Xingang), situated less than 80km from our logistics yard. Shipments can also be routed through Qingdao, Shanghai, or Ningbo upon project request.
Which steel grades and structural standards can you supply for prefabricated housing?
We supply high-yield structural grades including Chinese GB Q235B and Q355B (equivalent to ASTM A36 and ASTM A572 Gr. 50, EN S235JR and S355JR, JIS SS400 and SM490). For light-gauge framing and panels, we offer DX51D through DX54D hot-dip galvanized and PPGI coils (EN 10346 / ASTM A653). Full equivalent-grade cross-referencing and dual-certification documents are provided during order processing.
Can I consolidate different structural sections, pipes, and finishing materials into a single container?
Yes, this is one of HZXY’s major competitive advantages. Because our 1,500-acre facility stocks structural sections (H-beams, angles, channels), steel pipe, steel coils, wire rod, and MEP plastic conduits/valves, you can consolidate mixed materials into a single purchase order and bill of lading. This lowers supplier management complexity and eliminates partial container dead space.
Do you accommodate custom cutting, drilling, and pre-welding to engineering drawings?
Absolutely. Our fabrication facilities provide computerized fixed-length cutting, hole drilling, gusset plate welding, bending, hot-dip galvanizing, and specialty painting. Components arrive numbered and tagged according to your architectural erection drawings for rapid field assembly.
Do you provide Mill Test Certificates (MTC) and allow independent third-party inspection?
Every export shipment is accompanied by official EN 10204 3.1 Mill Test Certificates verifying full chemical composition and mechanical stress yield tests. Buyers are encouraged to appoint independent third-party agencies such as SGS, Bureau Veritas (BV), Intertek, or TÜV to verify dimensions, coating thickness, and weld integrity prior to port departure.
How can I request an official quotation, load plan, or comprehensive catalog?
You can visit our catalog page at Request a Catalog or directly email our export engineering desk at [email protected]. Send your project drawings, structural specifications, and target destination port to receive an itemized quotation within 24 business hours.
Procurement Catalog

Recommended Steel Systems for Prefabricated Buildings

Explore specialized long sections, flat profiles, hollow tubes, and MEP conduits engineered for modular building construction.

Structural Steel Profiles I-Beam and Channel

Structural Steel Profiles & I-Beams

Hot-rolled standard I-beams and universal columns for multi-story load distribution girders in modular school, clinic, and hotel construction.

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Q235B Q345B Hot and Cold Rolled Steel Coil

HR / CR Carbon Steel Coils

High-ductility carbon coils for continuous roll-forming of light-gauge framing studs, track profiles, and stamped steel corner castings.

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DX51D DX54D Galvanized Steel Coil

DX51D–DX54D Galvanized Coil

Zero-spangle galvanized coil delivering superior drawability and bending performance for floor decking trays and corrosion-resistant panel skins.

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Galvanized Plain Round Steel Bar

Galvanized Plain Round Bar

High-tensile solid round bars utilized in roof wind cross-bracing, foundation tie-rods, and turnbuckle tensioning systems for steel buildings.

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SAE1080 Q235 Hot Rolled Wire Rod

SAE1080 / Q235 Wire Rod

Consistent diameter coiled wire rod for precast wire mesh, site binding wire, and specialized reinforcement grids in prefab floor slabs.

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Black Solid Structural Flat Bar

Solid Structural Flat Bar (3-60mm)

Heavy thickness structural flat steel for perimeter perimeter framing, stiffener plates, and custom fabricated gussets.

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Anti-Corrosion Coated Industrial Steel Pipe

Anti-Corrosion Pipeline System

Epoxy and 3PE coated steel pipes providing dependable drainage, fire sprinkler supply, and potable water delivery across multi-unit modular housing.

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Plastic Building Materials PVC Pipes

PVC Drainage & Conduit Systems

Comprehensive electrical conduit, sewer drainage, and water supply plastic pipe systems shipped alongside your prefabricated framing packages.

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Build Smarter, Faster & Stronger with HZXY Steel

Partner directly with China's dedicated steel manufacturer. Consolidate your building materials, obtain certified quality compliance, and streamline international logistics under one trusted contract.

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