E-E-A-T Certified Industrial Ecosystem

Custom Prefab Steel Frame Factories & Suppliers

Engineering high-tolerance structural steel systems, BIM-to-field assemblies, and heavy infrastructure frameworks powered by China's Industry 4.0 fabrication ecosystem.

Primary Catalog

Precision Steel Solutions: Direct Mill Inventory

Immediate structural frame allocations from our 1,500-acre Tianjin & Tangshan fabrication bases. Designed for load-bearing stability and fully compliant with GB, ASTM, EN, and JIS engineering specifications.

A36 Q235 Grade H-Beam for Steel Structure Columns & Beams

ASTM A36 / Q235 Structural H-Beam

Wide-flange columns and structural cross-girders featuring precision saw-cutting and inline anti-corrosion milling.

Product Specs & RFQ
Perforated Galvanized Carbon Steel Angle Bar

Perforated Galvanized Angle Steel

Equal/unequal bracing components, punch-drilled for modular bolt-locking installations in prefab warehouse frames.

Product Specs & RFQ
Hot Rolled Galvanized Channel Steel for Construction

Hot Rolled C/U Channel Steel

High load purlins, wall framing elements, and secondary structural frames featuring hot-dip zinc passivation layers.

Product Specs & RFQ
Q235 Q355 Hot-Dip Galvanized Flat Steel

Galvanized Structural Flat Steel

Thickness tolerances of 3–60 mm, engineered for gusset plates, bracket assemblies, and sub-frame joints.

Product Specs & RFQ
Galvanized Scaffolding Steel Pipe

Galvanized Load-Bearing Steel Pipe

Precision welded structural tubular sections for truss configurations, staging, and industrial space framing.

Product Specs & RFQ
Q235B Q345B Hot Rolled Carbon Steel Coil

Structural Carbon Steel Coil

Grade Q235B/Q355B coils suited for roll-forming, continuous cold framing profiles, and heavy bracket stamping.

Product Specs & RFQ
Deformed Steel Rebar for Reinforced Concrete

Deformed Concrete Rebar 6–12mm

High-tensile reinforcement elements for composite foundation footings and modular precast anchor assemblies.

Product Specs & RFQ
Corrosion Resistant Plain Round Steel Bar

Galvanized Plain Round Bar

Heavy-duty tie rods, turnbuckles, and secondary cross-bracing components resistant to marine atmosphere exposure.

Product Specs & RFQ
Future Engineering

Technical Roadmap: The Next Era of Prefabricated Framing

Prefabricated steel structures have evolved far beyond manual fabrication. The intersection of generative computational structural engineering, metallurgical high-entropy alloys, and digital execution pipelines defines our manufacturing horizon.

BIM-to-CNC Automated CAM Direct Link

Eliminating 2D translation latency. Engineering models export directly via IFC/DSTV protocols into robotic plasma copers, CNC drilling benches, and cold-roll post-punches, achieving component fabrication tolerances within ±0.5mm.

Thermomechanically Controlled (TMCP) Metallurgy

Deploying micro-alloyed structural steels that combine exceptional yield strength (up to 460 MPa) with remarkably low carbon equivalents (CEV), ensuring flawless field weldability without thermal preheating cycles.

Lifecycle Carbon Tracking & Circularity

Integrating blockchain-verified Environmental Product Declarations (EPD). Our structural members use over 85% electric arc furnace (EAF) and optimized basic oxygen furnace inputs, maximizing circular lifecycle reuse and lowering Scope 3 emissions.

Macro Sectors

Engineered Architectural & Civil Framework Solutions

From critical clear-span aviation hangars to offshore logistics clusters, custom prefab structural systems remove site-erection bottlenecks and mitigate seismic vulnerability.

Heavy Industrial & Chemical Enclosures

High-bay industrial structural framing designed to support heavy dynamic bridge crane stresses (up to 150 metric tons), piping racks, and elevated duct networks under rigorous cyclical load vibrations.

Smart Logistics Hubs & Multi-Tier Cold Chains

Ultra-wide portal frames with clear spans exceeding 48 meters without interior column obstructions. Fully integrated with secondary cold-formed Z/C purlins ready for immediate thermal envelope panelling.

Seismic-Resistant Civil & Commercial High-Rises

Composite moment frames and braced steel structures verified for Zone 4 seismic acceleration profiles. Engineered bolt joints absorb horizontal shear forces while safeguarding architectural integrity.

Supply Chain Dominance

China Factory 4.0: Deep Processing Ecosystem & Scale Advantage

Located at the epicenter of global metal production—the Daqiuzhuang Industrial Zone in Tianjin and our heavy rolling facilities in Tangshan—HZXY harnesses an unmatched concentration of raw materials, deep processing centers, and deep-water freight terminal logistics.

10 Million+ Tons Scale & Instant Raw Roll Allocations

Unlike regional fabricators constrained by third-party primary steel procurement lead times, our directly linked billet, bloom, and rolling mills eliminate upstream price fluctuations and ensure 24/7 unyielding project inventory.

Comprehensive Multi-Disciplinary Deep Processing

Our in-house capabilities encompass sub-arc structural plate welding, hot-dip zinc immersion (86μm+ protective depth), precision 3D bevel flame cutting, and high-build epoxy zinc-rich automated coating lines operating under strict climatic regulation.

1996
Year Established
1,500+
Acres Industrial Footprint
10M+
Annual Tons Capacity
50+
Global Export Markets
Engineering Standards

Meeting Global EPC Criteria: International Code Equivalents

International engineering procurement requires absolute adherence to metallurgical performance criteria. Below is our verified structural grade cross-reference matrix, fully vetted through rigorous mechanical and chemical batch inspection.

China (GB) USA (ASTM) Europe (EN) Japan (JIS) Min Yield (MPa) Typical Framing Module
Q235B ASTM A36 S235JR (EN 10025) SS400 235 H-Beams, Purlin Systems, Secondary Bracing
Q355B (ex Q345) ASTM A572 Gr. 50 S355JR (EN 10025) SM490 355 Primary Load Columns, Clear-Span Trusses
DX51D+Z ASTM A653 CS DX51D+Z (EN 10346) SGCC Forming Cold-Rolled C/Z Channels, Cladding Clips
SAE1008 AISI 1008 DC01 SWRM8 Low-Carbon Bracing Tie Rods, Anchor Foundation Studs

*Values indicate standard nominal mechanical properties for plate thickness ≤ 16mm per GB/T 1591-2018. Full EN 10204 3.1 Mill Test Certificates provided with every production heat.

Quality Assurance

Localization Engineering, Third-Party Inspection & Compliance

We bridge national engineering frameworks with meticulous localization protocols, third-party testing (SGS, BV, Intertek, Lloyds), and specialized marine containerization layouts.

NDT Weld Inspections

100% of structural critical butt-welds and column flange moments undergo Ultrasonic Testing (UT) and Magnetic Particle Testing (MT) per AWS D1.1 and EN ISO 17636 quality specifications.

Global Code Alignment

Technical translation teams convert engineering submittals across AISC 360, Eurocode 3, AS/NZS 5131, and Canadian CSA S16 codes, ensuring seamless compliance approval with municipal building inspectors.

Break-Bulk & Flat-Rack Logistics

Optimized piece-marking, barcode bundling, and rust-inhibiting VCI film wrapping streamline ocean transits from Tianjin Port, reducing job site offloading and sortation schedules by over 40%.

E-E-A-T Track Record

Landmark Civil & Infrastructure Projects

HZXY's structural steel profiles, high-yield plate sections, and industrial pipeline accessories have anchored critical national landmark structures.

Jiaozhou Bay Bridge Structural Materials

Jiaozhou Bay Bridge

Specialized anti-corrosion structural framing and plate steel engineered for deep oceanic exposure and dynamic load stresses.

Beijing Daxing International Airport Components

Beijing Daxing International Airport

Supplied heavy profiles, secondary roof framing elements, and structural pipe solutions meeting strict civil architectural specifications.

National Stadium Bird's Nest Framing

National Stadium (Bird's Nest)

Advanced structural steel supplied to achieve iconic spatial curvature geometries and long-span architectural bracing modules.

Shop Floor Verification

State-Of-The-Art Fabrication Facilities

Review the industrial grounds where your project components are formed, plasma-cut, welded, and loaded for global container lines.

HZXY Tianjin Headquarters
Administrative & Engineering Center
Tangshan Production Base
Tangshan Heavy Structural Mill
Steel Spraying & Surface Coating Line
Automated Protective Coating Facility
Tianjin Export Freight Marshalling Yard
Tianjin Port Logistics Marshaling Yard
Procurement Intelligence

Frequently Asked Technical Questions

Actionable answers addressing critical engineering, commercial, and operational procurement inquiries.

Where are HZXY's structural production bases located and how does port staging work?
HZXY operates two primary manufacturing centers spanning 1,500 acres across Daqiuzhuang (Jinghai District, Tianjin) and Tangshan. Our facilities sit within direct trucking radius to Tianjin Port (Xingang), allowing continuous shuttle loading directly into container terminals or break-bulk berths, minimizing demurrage risk and handling costs.
Which global structural steel standards and mill designations can you supply?
We routinely supply Chinese National Standards (GB/T Q235B, Q355B/C/D), American Standards (ASTM A36, ASTM A572 Gr. 50/60, ASTM A500, A653), European Norms (EN 10025 S235JR, S355JR, S355J2, DX51D-DX54D), and Japanese Standards (JIS G3101 SS400, SM490). Complete chemical analysis and Charpy V-notch impact verification are matched to your exact design schedule.
Do shipments include certified EN 10204 3.1 Mill Test Certificates and allow third-party verifications?
Yes. Every production run is issued an authentic Mill Test Certificate (MTC) detailing heat numbers, chemical composition, tensile yield strength, elongation, and coating thickness. We regularly host independent third-party agencies including SGS, Bureau Veritas (BV), Intertek, and TUV to conduct on-site dimensional checks, ultrasonic weld testing, and visual inspections before release.
Can you fabricate, weld, bend, and hot-dip galvanize non-standard structural modules to project drawings?
Absolutely. Our fabrication facilities provide integrated processing: CNC plasma cutting, automated beveling, plate drilling, submerged arc welding (SAW) of built-up H-beams, and deep-immersion hot-dip galvanizing complying with ASTM A123 or ISO 1461 standards to ensure robust rust protection for over 50 years.
Is it possible to consolidate mixed product categories (sections, pipes, rebar, valves) into single shipments?
Yes. A distinct advantage of our Daqiuzhuang logistics cluster is the ability to aggregate varied Bills of Materials—such as primary H-beams, secondary C-purlins, PVC/PE utility pipelines, structural hardware, and fluid valves—into unified shipping manifests. This consolidation minimizes import clearance fees, ocean freight, and supplier management overhead.
What are the standard international payment, incoterm, and packaging options available?
We provide flexible Incoterms including FOB Tianjin, CFR, CIF, and DDP to major destination seaports. Commercial payment terms typically operate via Irrevocable Letters of Credit (L/C at sight) or Telegraphic Transfers (T/T). Material arrives bundled with heavy steel strapping, edge protectors, waterproof plastic wrapping, and individualized color-coded marking tags for immediate staging on site.
Secondary Assemblies

Integrated Building Assemblies & Enclosures

Complete your building package. Structural frame accessories, cold-formed profiles, color-coated roofing envelopes, and utility pipe connections consolidated for zero-delay project delivery.

Double Coated Prepainted Steel Coil for Corrugated Roofing

Double-Coated PPGI Coil

Continuous color-coated coils optimized for roll forming weather-resistant corrugated roof and wall cladding panels.

Product Specs & RFQ
DX51D DX54D Galvanized Steel Coil

DX51D Galvanized Structural Coil

Heavy zinc spangle coatings designed for light-gauge steel framing trusses, floor decking, and purlin roll-forming.

Product Specs & RFQ
Hot Rolled Q235B Carbon Steel Flat Bar

Hot Rolled Carbon Flat Bar

Precision-milled flat steel stock for base-plate fabrication, bracing link brackets, and site-welded splice tabs.

Product Specs & RFQ
Industrial Anti-Corrosion Steel Pipe

Industrial Coated Steel Pipe

Heavy-wall carbon pipe designed for high-load columns, foundations, and fluid containment infrastructure.

Product Specs & RFQ
In-Stock Black Steel Pipe for Construction

Structural Black Steel Pipe

Standard ERW structural round sections suited for framework lattice trusses, scaffolding, and interior structural columns.

Product Specs & RFQ
Pressure Resistant Valves for HVAC and Pipelines

Pipeline Fluid & HVAC Valves

Cast and forged gate, butterfly, check, and ball valves matched to MEP piping runs inside industrial plant structures.

Product Specs & RFQ
Custom Size Metal Construction Accessories

Modular Framework Hardware

High-strength bolt assemblies, anchor bolts, stamped angle brackets, and structural mounting hardware kits.

Product Specs & RFQ
SAE1080 Q235 Hot Rolled Wire Rod

Hot Rolled Wire Rod (8–12mm)

Carbon wire rod coils optimized for rebar stirrup forming, secondary wire drawing, and structural mesh reinforcements.

Product Specs & RFQ

Initiate Your Custom Prefab Framework Tender

Our engineering and trade coordinators respond within one business day with full bill-of-materials estimations, mill-direct pricing schedules, and logistic lead times.

Request Comprehensive Catalog Contact Engineering Desk