Are you a manufacturing factory or a trading company?

Xintong is a manufacturer. Founded in 1999, we operate a 100,000 m² production base in Gaoyou, Jiangsu, China, with 7 production lines covering steel pole forming, welding, hot-dip galvanizing, powder coating and LED / solar lighting assembly. Buyers are welcome to audit the factory on site or by live video.

Which markets do you serve, and which standards and certifications do you work to?

Our products are installed in 80+ countries, including Central Asia, the Middle East, Africa, Southeast Asia and South America. We manufacture to EN, ASTM and AASHTO specifications under ISO-based quality management, and supply material certificates, galvanizing reports and test records with each shipment.

Do you only sell individual products, or do you provide complete solutions?

We provide both. Beyond supplying poles and luminaires, our engineers prepare CAD structural drawings, 3D renderings and DIALux lighting simulations, then support installation remotely or on site. Warranty coverage is available for up to 10 years depending on the product.

What information do you need to prepare an accurate technical proposal?

Please share the application and road width, required mounting height, illumination standard or target lux, local design wind speed, power supply type (grid or solar), required autonomy days for solar systems, quantity, delivery port and any tender specification documents.

How do you protect steel poles against corrosion?

Poles are fabricated from Q235 or Q355 structural steel and hot-dip galvanized after welding, with optional polyester powder coating. This system is designed for a service life of 25+ years in typical outdoor environments.

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100,000m²

Factory Floor Space

500,000+

Global Structural Deployments

80+

Countries & Jurisdictions

25Yrs

Designed Anti-Corrosion Life

Market Dynamics & Structural Paradigm

Solar Street Lighting Infrastructure: Industry Evolution & Macro Shift

Modern roadway lighting has transcended passive steel posts. Today's public lighting infrastructure demands aerodynamic resilience, integrated renewable energy generation, and zero-carbon resilience.

Across the international civil engineering ecosystem, municipal authorities and EPC contractors are rapidly transitioning from legacy high-pressure sodium (HPS) and grid-tied systems to autonomous, decentralized solar lighting systems. The contemporary solar street lighting pole functions as an engineered structural column subjected to multidirectional mechanical stresses. Unlike standard utility poles, a solar luminaire mast supports asymmetrical wind-sail loads generated by high-surface-area photovoltaic (PV) modules, oversized external LiFePO4 battery enclosures, and aerodynamic cantilevered luminaire arms.

In accordance with AASHTO Standard Specifications for Structural Supports for Highway Signs, Luminaires, and Traffic Signals (LTS-6) and Eurocode 3 (EN 1993-1-1 / EN 40), structural integrity requires rigorous finite element analysis (FEA). Calculations must account for second-order flexural bending moments (P-Delta effects), localized stress concentrations around inspection handholes, vortex-induced vibrations, and gust-response factors up to 160 km/h (45 m/s) wind categories.

Decarbonization Mandates

Global municipalities adhere to Scope 1 & Scope 2 net-zero infrastructure targets. Off-grid solar roadway poles completely eliminate recurring operational electrical tariffs, transformer stations, and underground trenching capital expenditure.

Extreme Weather Resiliency

Decentralized off-grid installations provide vital public safety and emergency roadway lighting during grid blackouts, typhoons, and natural disasters, ensuring unbroken operational continuity.

TCO Optimization

Factory-direct sourcing eliminates distribution markups. With optimized Q355 structural steel tapering and multi-stage anti-corrosion, the total lifecycle cost across 25 years drops by up to 58% compared to traditional wired systems.

Search Intent & Engineering Due Diligence

Global Enterprise Procurement: Critical Evaluation Criteria for Pole Factories

When global EPC contractors and municipal highway ministries source solar lighting structures, failure analysis focuses on structural metallurgy, weld fatigue, and galvanizing uniformity.

Overseas procurement directors frequently discover discrepancies in low-cost bids where wall thicknesses are undercut, or secondary non-traceable steel slittings are utilized. Sourcing lighting poles directly from verified manufacturers requires validating four critical engineering checkpoints:

1. Certified Steel Metallurgy

Direct factory supply must provide mill test certificates (MTC) according to EN 10204 Type 3.1. Standard structural steel spans Q235B (yield strength ≥ 235 MPa) for low-stress zones, up to Q355B/Q355C (yield strength ≥ 355 MPa) for heavy-load highway, high mast, and hurricane corridors.

2. Hot-Dip Galvanizing (HDG)

Corrosion protection must comply strictly with ISO 1461 or ASTM A123. The minimum average coating thickness must equal or exceed 86 microns (610 g/m²). Thermal immersion provides metallurgical Fe-Zn intermetallic alloy layers, preventing subsurface oxidation.

3. Weld Integrity & NDT

Longitudinal seams must undergo automated submerged arc welding (SAW) with a single continuous pass. Critical stress intersections—including base plate-to-shaft fillets and arm tenons—must undergo Non-Destructive Testing (ultrasonic and magnetic particle).

4. EPA Calculations

Effective Projected Area (EPA) engineering models the combined drag of the photovoltaic panel, mounting bracket, optical luminaire, and internal accessories against regional dynamic wind pressures in compliance with AASHTO LTS-6 and ASCE 7-16.

Evaluation Parameter	Municipal Standard (Class M3/M4)	Highway & Expressway (Class M1/M2)	Coastal / Port (C5-M Heavy Marine)	Xintong Factory Benchmark
Base Steel Substrate	Q235B (Yield ≥ 235 N/mm²)	Q355B (Yield ≥ 355 N/mm²)	Q355C / High-Impact Toughness	100% Traceable Prime Q235B/Q355B
Galvanizing Standard	ISO 1461: ≥ 65 µm	ASTM A123: ≥ 86 µm	ISO 12944 C5-M: Dual Coat (HDG + Fluorocarbon)	86 - 120 µm Micro-Controlled Dip
Welding Process	Manual / Semi-Auto MIG	Automated SAW Continuous Seam	Full Penetration Submerged Arc + NDT	Automated Longitudinal SAW + NDT
Wind Load Rating	30 m/s (~108 km/h)	40 m/s (~144 km/h)	50 - 60 m/s (~180 - 216 km/h)	Engineered to Custom Site Wind Maps
Exterior Coating	Standard Polyester Powder	Electrostatic TGIC Architectural Polyester	Ultra-Durable Marine Fluorocarbon	DuPont / AkzoNobel Architectural Electrostatic

Engineered Applications

System Architectures: Tailored Lighting Pole Engineering by Terrain

From freezing high-altitude mountain corridors to blistering coastal desert terminals, pole shaft geometries and mounting structures must be engineered to site-specific environmental variables.

High-Speed Highways & Expressways

Featuring conical/octagonal hot-dip galvanized shafts (8m to 12m) engineered with split-type high-efficiency mono PV arrays. Integrated vibration dampers suppress aeolian dynamic wind resonance, while dual-cantilever arms guarantee uniform EN 13201 Class M1 road illumination.

Maritime Seaports & Container Terminals

Heavy-duty polygonal high mast light towers (15m to 40m) equipped with motorized raising and lowering gear. Engineered to resist corrosive marine mist with 100µm+ zinc coatings and fluorocarbon topcoats, providing broad luminaire aiming angles without causing glare for gantry operators.

Smart Cities & Urban Arterials

Multifunctional octagonal and square smart poles configured with internal structured cable raceways, concealed micro-base station mounting brackets, environmental air quality sensors, IP surveillance cameras, and smart IoT control gateways.

Engineering Insight: All-In-One vs. Split-Type Solar Structural Loading

While All-In-One (Integrated) Solar Street Lights (such as the XT-YTH series) consolidate PV, LiFePO4 batteries, and LED optical drivers into a single compact housing with minimal wind load, their fixed solar tilt angle limits autonomy in high-latitude regions. Conversely, Split-Type Configurations (such as the XT-DT series) allow PV azimuth and tilt angle optimization (+15° to +60°), but impose significantly greater torsional moments on the pole shaft. Our engineering department runs project-specific DIALux photometric and FEA structural models to ensure appropriate base plate dimensions and anchor bolt pitch circle diameters (PCD).

Global Compliance & Engineering Integrity

Manufacturing Quality Assurance, Localized Support & Testing Protocols

International civil projects require more than raw manufacturing capacity—they demand comprehensive regulatory compliance, verifiable testing reports, and responsive engineering support.

Comprehensive Tender Dossiers

We supply verified DIALux photometric simulations, full CAD shop drawings with weld details, anchor bolt layout templates, foundation cage calculations, and comprehensive finite element wind load analyses tailored directly to your tender specifications.

Multistage Quality Assurance

Every production heat undergoes spectroscopic steel chemical analysis, magnetic coating thickness testing, ultrasonic weld inspection, and salt spray testing according to ASTM B117 to guarantee a 25-year service life.

On-Site & Remote Field Support

Our engineering division provides anchor bolt alignment templates, foundation curing protocols, structural torque specs, and remote or on-site supervision for lifting, leveling, and commissioning high-mast towers.

Innovation & Future Engineering

Next-Gen Roadmap: The Convergence of Smart Lighting & Connected Infrastructure

Over the next decade, street lighting poles will transition into essential edge computing nodes within intelligent transportation networks and sustainable municipal grids.

Phase 01: 2025–2026

Cylindrical BIPV Column Integration

Deployment of 360-degree vertical flexible thin-film and curved TOPCon monocrystalline PV modules flush-mounted around the pole shaft. This delivers aerodynamic wind reduction, 360-degree solar capture, and superior vandal resistance compared to flat bracketed modules.

Phase 02: 2026–2028

Pole-Internal Solid-State Energy Storage

Transition from external pod-mounted lithium battery enclosures to modular, non-flammable solid-state and sodium-ion battery packs engineered inside the lower pole cavity, featuring internal heat-pipe dissipation and IP68 flood submersion protection.

Phase 03: 2028–2030

AI Edge Nodes & V2X Infrastructure

Poles engineered with dedicated low-voltage DC micro-bus architectures, facilitating vehicle-to-infrastructure (V2X) radar communications, adaptive dynamic traffic flow dimming, and distributed 5G microcell hosting for autonomous driving corridors.

Phase 04: 2030+

Circular Life-Cycle & Green Steel

Full supply chain adoption of hydrogen-reduced Green Steel substrates (Zero-Scope 1 emissions) combined with closed-loop eco-galvanizing lines, providing environmental product declarations (EPD) for certified LEED/BREEAM infrastructure tenders.

Information Gain & Search Intent

Frequently Asked Technical Questions: Solar Lighting Structures

Direct engineering responses to critical questions submitted by EPC project managers, municipal lighting designers, and civil contractors.

How is Effective Projected Area (EPA) calculated for solar lighting structures?

EPA (expressed in square feet or square meters) equals the actual frontal surface area of the component (PV panel, mounting brackets, luminaire body, camera mounts) multiplied by its aerodynamic drag coefficient (Cd), derived from wind tunnel tests or ASCE 7-16 tables. Our structural engineers calculate the cumulative drag moment arm relative to the ground plane to determine the minimum base pole diameter, wall thickness, and base plate reinforcement requirements.

What prevents hot-dip galvanized coatings from flaking or peeling?

Flaking occurs when surface preparation is compromised or bath chemistry is out of balance. We utilize automated chemical pickling (hydrochloric acid baths), followed by water rinsing, fluxing in zinc ammonium chloride, and immersion in 99.995% pure molten zinc at 445°C–455°C. This forms true metallurgical Fe-Zn alloy layers (Gamma, Delta, Zeta, and Eta) that molecularly fuse to the steel rather than simply adhering as a superficial surface film.

Why choose Q355 structural steel over Q235 for solar roadway poles?

Q355 steel features a minimum yield strength of 355 MPa compared to 235 MPa for Q235—an approximate 51% increase in load-bearing capacity. Sourcing Q355 allows our engineers to reduce the structural wall thickness by 15–20% without sacrificing bending moment resistance, cutting shipping weight, freight container costs, and site crane requirements on large international orders.

How do you safeguard LiFePO4 batteries against extreme desert ambient heat?

In Middle Eastern and North African installations where ambient daytime temperatures surpass 50°C, pole-top battery pods can overheat. We offer double-walled, ventilated solar-radiation-shielded aluminum battery housings equipped with phase change material (PCM) liners, or subterranean IP68 water-sealed battery vaults placed beneath the foundation slab where soil temperatures remain consistently cooler.

What foundation design standards are required for soft soil conditions?

We deliver project-specific civil foundation recommendations based on soil geotechnical reports (standard penetration test SPT values). For loose sand or cohesive clay soils, foundation depth is extended from typical 1.5m shallow cast-in-place spread footings to 3.0m–4.5m drilled shaft caissons with reinforced rebar cages and Grade 8.8 hot-dip galvanized J-bolts.

Can your factory produce custom polygonal high mast poles with lifting mechanisms?

Yes. Our production lines fabricate polygonal high masts (12-sided, 16-sided, and 20-sided) up to 40 meters. We supply integrated internal motorized winches, dual-cable stainless steel suspension systems, mechanical self-latching head-frames, and lightning arrestor arrestor rods certified to international airport and seaport criteria.

Procurement Direct Access

Explore Complete Pole & High Mast Specifications

Request project-specific quotations, CAD technical drawings, DIALux photometric calculations, and factory audit documentation directly from our engineering team.