High-Precision Steel Structure
for Solar Tracking System
Wind-Resistant, Tracker-Compatible
for Utility-Scale Solar Farms
Steel Structure for Solar Tracker Systems
As a leading global manufacturer of solar mounting structures, Winture boasts a comprehensive product portfolio meticulously tailored to meet the diverse needs of various solar applications. We adhere to the highest quality standards from the very start: all raw material coils are exclusively sourced from Tier 1 listed steel manufacturers, laying a solid foundation for uncompromising product quality. The Zinc-Aluminum-Magnesium coating offers superior self-healing properties and extreme corrosion resistance.
To ensure every batch of raw materials meets our strict requirements, our in-house ISO-certified laboratory conducts rigorous inspections on all chemical and mechanical parameters as an integral part of our incoming quality control (IQC) process. This rigorous testing regime eliminates potential quality risks and guarantees the reliability of our products.
Backed by state-of-the-art full-CNC fabrication equipment and a comprehensive quality control system, Winture achieves exceptional fabrication precision with strict tolerance control. With a monthly production capacity of 30,000 MT, we consistently deliver orders on time, meeting even the most demanding project schedules.
As a trusted anti-corrosion expert in the industry, Winture goes beyond product supply: we work closely with our customers to optimize project design and engineering solutions, effectively reducing local installation workload, lowering project costs, and enhancing overall project efficiency.
01
Products
Precision Engineering for Dynamic Solar Performance
Solar tracking systems demand more than just support; they require dynamic precision. Winture’s Steel Structures for Solar Trackers are engineered to match single-axis, double-axis, and multi-axis systems, solving the critical pain points of structural deformation and misalignment during rotation. As a specialist in utility-scale solar infrastructure, we focus on the seamless synergy between the steel skeleton and the tracking drive. By utilizing high-strength steel (Q355B+) and precision CNC processing, we ensure a tracking precision auxiliary guarantee of less than 0.05°/s, helping your system maximize energy absorption by up to 50% compared to fixed tilts.
02
Reliability Standards & Warranty
Winture provides a 15-year product warranty covering structural integrity and a 30-year performance warranty for Zn-Al-Mg-coated parts.
|
Atmospheric Environment (ISO12944) |
Coating Weight(g/m2) |
Red Rust Free(Years) |
No Perforation(Years) |
|
C3 (Arid/Inland) |
275 |
30 |
35 |
|
C4 (Industrial) |
350 |
25 |
35 |
|
C5-M (Coastal/Marine) |
600 |
25 |
30 |
Torque tubes transfer rotational movement along the tracker row and support the attached module structure. Their section geometry, straightness, connection positions and dimensional tolerances must match the tracker platform.
WINTURE manufactures torque tubes for solar tracker steel structures using CNC-controlled fabrication processes. For OEM orders, the following specifications should be confirmed against the approved component drawings.
|
Specification |
Details Required for Manufacturing |
|
Tube Profile |
Required cross-sectional shape and drawing |
|
Section Dimensions |
Outside dimensions and wall thickness |
|
Tube Length |
Finished length and permitted length tolerance |
|
Steel Grade |
Required structural steel grade and material standard |
|
Straightness |
Permitted straightness deviation over the specified length |
|
Connection Design |
End connections, splice arrangements and related component drawings |
|
Mounting Holes |
Hole diameter, spacing, orientation and positional tolerances |
|
Surface Protection |
Required HDG or Zn-Al-Mg specification, where applicable |
For tracker manufacturers using proprietary torque tube profiles, WINTURE can review the submitted drawings, section dimensions and tolerance requirements to determine manufacturing feasibility.

Our full‑CNC production lines deliver high‑precision C‑channels, U‑channels, and torque tubes designed for the rigorous movements of tracking systems.

Sourced exclusively from Tier 1 listed steel mills, ensuring 100% compliance with chemical and mechanical standards.

Precision‑punched holes and modular components enable rapid, bolt‑on installation, reducing project timelines and labor costs.

Standardized seaworthy packaging with customized marking for easy inventory management at large‑scale sites.
03
OEM Solar Tracker Steel Structure Manufacturing
WINTURE supplies steel components for solar tracker OEMs and utility-scale PV projects using customer-specified profiles, materials and connection drawings.
Our CNC-controlled forming, punching and stamping processes support consistent fabrication of structural profiles and mounting holes. WINTURE's manufacturing capabilities include a stated ±0.5 mm dimensional tolerance for hole positioning and section geometry, subject to the applicable process and approved component specifications.
For OEM steel structure orders, WINTURE can work from the customer's component drawings and bill of materials to establish:
Profile Manufacturing: Production of specified torque tubes and structural steel profiles.
Connection Fabrication: CNC punching of mounting holes and fabrication of specified connection components.
Component Identification: Part numbers and bundle markings matched to the approved bill of materials.
Production Consistency: Controlled fabrication of repeated components for large-volume tracker projects.
Project Delivery: Production and packaging arrangements based on component quantities and agreed shipment requirements.
04
Winture Capabilities: The Backbone of Quality
Digitalized Manufacturing:
30,000 MT monthly capacity with advanced CNC machinery to minimize downtime and ensure consistent quality.
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ISO-Certified Laboratory:
In-house chemical analysis (OES) and mechanical testing (impact & tensile) ensure structural safety.
Explore Our Lab
Anti-Corrosion Expertise:
Dual 8-meter HDG lines and specialized Zn-Al-Mg processing for ultimate nvironmental resistance.
Learn More
Engineered Logistics:
Standardized seaworthy packaging with customized marking for easy inventory management at large-scale sites.
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