Dwin Factory Custom Wholesale Steel Roof Solar Mounting Structure
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Product Highlights
- Superior Rust Proof Performance: Zinc aluminum magnesium coating offers 5-8 times better corrosion resistance than galvanized steel, lasting up to 30 years.
- Self-Repairing Coating Technology: Scratched areas automatically repair via oxidation reaction to prevent rust diffusion and extend product lifespan.
- Lightweight with High Load Capacity: Weighs only 2.2kg/set (half of stainless steel) while supporting up to 80kg, suitable for high-power modules.
- Wide Tile Compatibility: Adapts to asphalt, wooden, and composite tiles (5-20mm thick), including GAF Timberline HD and CertainTeed Landmark.
- Certified Quality and Safety: Passes CE, ISO 9227 salt spray test (3000 hours), RoHS, and REACH standards for environmental compliance.
- Long-Term Structural Warranty: Provides a 15-year structural warranty and a 30-year corrosion resistance commitment for peace of mind.
- Eco-Friendly Production: Compliant with RoHS and REACH, reducing carbon emissions by 40% compared to traditional manufacturing processes.
Product Attributes
- Customization
- Available
- Certification
- GB, ISO, TUV, CE
- Application
- Home
- Material
- Metal
- Type
- Roof Bracket
- Transport Package
- Wooden Boxes or Pallets
- Specification
- custom
- Trademark
- Dwin
- Origin
- Tianjin China
Product Images of Dwin Factory Custom Wholesale Steel Roof Solar Mounting Structure
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Product Description

Self repairing coating: Scratched areas can be automatically repaired through coating oxidation reaction to prevent rust diffusion.
Low friction design: Smooth surface coating reduces wear with tiles and protects the integrity of the roof.
Adapt to mainstream tile specifications in North America and Europe, such as GAF Timberline HD and CertainTeed Landmark.
Material | S350GD steel substrate+Zinc aluminum magnesiumcoating (275g/square meter) |
Coating thickness | 20 ± 2 μ m (double-sided) |
Adapt to tile thickness | 5-20mm (asphalt tile, wooden tile, composite tile) |
Color options | Silver Grey/Dark Grey (RAL 7016) |
Warranty | 15 year structural warranty, 30-year corrosion resistance commitment |











A:Aluminum magnesium coating significantly improves corrosion resistance, especially suitable for high salt spray and acid rain areas, with a lifespan extension of more than 50%.
A:No need! The coating and passivation treatment have been completed before leaving the factory, and it can be used directly.
A:We can provide third-party inspection reports along with the goods and support customized wind/snow load analysis for the project.
A:Support! 3 sets minimum order, shipped within 7 days, sample fee can be deducted from bulk order.
A:Accept TT/LC, with a 15 year warranty (free replacement for non-human damage).
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR266851". Items marked "" are certified.
Company Profile
TIANJIN DWIN ENERGY Co., Ltd. is a comprehensive enterprise integrating research and development, manufacturing, and sales. It specializes in providing one-stop solutions for photovoltaic (PV) mounting systems, PV carports, BIPV waterproof mounting systems, and customized processing of light steel structures. The company owns a modern production base covering an area of 45, 000 square meters, equipped with advanced production lines such as automated section steel production lines, laser cutting lines, and CNC welding lines. Having obtained certifications for the ISO9001, ISO14001, and ISO45001 international management systems, we ensure full-process quality control from design to production, providing solid guarantees for global customers.
We are not only professional manufacturers, but also your trustworthy international trade partners. We are always committed to promoting the outstanding quality and innovative technologies of Chinese manufacturing to the global market. We look forward to collaborating with you to create a greener and more sustainable bright future. Relying on stable product quality, flexible customization solutions and efficient one-stop export services, DWIN ENERGY sincerely invites you to establish long-term cooperative relationships, seek common development and achieve win-win results in the future.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- 200 meters south of the intersection of Tuanwang Line and Linchang Road Extension Line in Caigongzhuang Town, Jinghai District, Tianjin City
- Terms of Payment
- T/T, Western Union
- International Commercial Terms(Incoterms)
- FOB, CIF, DDP, CIP, DAP
- Average Lead Time
-
Peak Season Lead Time: 1-3 months
Off Season Lead Time: one month - Nearest Port
- TianJin China
Our Production Capability & Technical Expertise
- Main Products
- Solar Bracket, Solar Carport, Solar Mounting Structure, Solar Mounting Bracket, Greenhouse
Our Industry Experience & Global Business Record
- Export Year
- 2025-10-01
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- What is the difference between galvanized aluminum magnesium steel and ordinary galvanized steel?
- Aluminum magnesium coating significantly improves corrosion resistance, especially suitable for high salt spray and acid rain areas, with a lifespan extension of more than 50%.
- Does the bracket require additional anti-corrosion treatment?
- No need! The coating and passivation treatment have been completed before leaving the factory, and it can be used directly.
- Can you provide a load-bearing calculation report?
- We can provide third-party inspection reports along with the goods and support customized wind/snow load analysis for the project.
- Do you accept sample orders?
- Support! 3 sets minimum order, shipped within 7 days, sample fee can be deducted from bulk order.
- What are the payment methods and warranty period?
- Accept TT/LC, with a 15 year warranty (free replacement for non-human damage).
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