GIGalvanized Steel Coil
Zinc-coated steel with reliable corrosion resistance and good formability for roofing, ductwork, framing and manufactured parts.
Ask about GI specifications →中国领先的 钢卷制造商
从镀锌钢、镀铝锌钢到彩涂钢——稳定质量、灵活规格与准时交付，服务屋面、工程与制造项目。
A lower-risk buying process
Consistent material from order confirmation to final coil.
Multi-stage processing and in-line control help maintain consistent thickness, coating weight and surface quality. Our team reviews the intended forming process and end-use conditions before recommending a specification.
Consistent productionControlled thickness and coating across each batch.
Application supportMaterial guidance for forming, roofing and fabrication.
Flexible specificationsThickness, width, coating and color options.
Export-ready deliveryReinforced packing and coordinated shipment planning.
Product range
Choose the right coil for the environment.
The base metal and coating system determine corrosion resistance, formability, appearance and service life.
GI
GLGalvalume Steel Coil
Aluminum-zinc alloy coating for improved heat and corrosion resistance in roofing, wall panels and demanding environments.
Ask about GL specifications →
PPGIPrepainted Galvanized Coil
Color-coated galvanized substrate with PE or PVDF paint systems for roofing, cladding, appliances and fabricated products.
Ask about PPGI colors →
PPGLPrepainted Galvalume Coil
Prepainted Galvalume substrate for projects requiring strong corrosion resistance and long-term color performance.
Ask about PPGL options →Typical supply range
Compare key specifications.
| Specification | GI | GL | PPGI | PPGL |
|---|---|---|---|---|
| Thickness | 0.11–4.0 mm | 0.12–3.0 mm | 0.12–1.5 mm | 0.12–1.5 mm |
| Width | 60–1250 mm | 100–1250 mm | 600–1250 mm | 600–1250 mm |
| Coating | Z20–Z275 | AZ30–AZ150 | PE / PVDF | PE / PVDF |
| Standards | ASTM / EN / JIS | ASTM / EN / JIS | ASTM / EN / JIS | ASTM / EN / JIS |
Custom dimensions, coating weights, paint systems and colors are available subject to technical review and order quantity.
Not sure which substrate to use?Share the end use, climate and forming process. We will compare GI, GL, PPGI and PPGL for your project.
Need a project-specific specification?Send your drawing, bill of materials or current specification for a practical supply recommendation.
Quality control
Verification at the points that matter.
Inspection records help confirm that the material matches the approved specification before shipment. Testing requirements can be aligned with your purchase order and end-use needs.
01
Incoming material reviewGrade, chemistry and source documentation.
02
Thickness and width checksMeasurements against approved tolerances.
03
Coating and surface inspectionCoating weight, color, finish and visible defects.
04
Final batch verificationCoil identity, weight, packing and shipping marks.
Applications
Materials for construction and manufacturing.
Infrastructure
Highway guardrails, bridge components, industrial facilities and public works.
Building Envelope
Roofing sheets, wall cladding, structural panels, purlins and floor decking.
Industrial Manufacturing
Appliances, equipment enclosures, automotive parts and fabricated components.
Frequently asked questions
Questions buyers ask before ordering.
Final recommendations depend on the climate, forming process, service-life target and project specification.
What is the difference between GI and GL steel coils?
GI uses a zinc coating. GL uses an aluminum-zinc alloy coating, typically selected when improved heat and corrosion resistance is required. The right choice depends on the application and environment.
How should I choose between PPGI and PPGL?
PPGI uses a galvanized substrate; PPGL uses a Galvalume substrate. PPGL is often considered for coastal or demanding environments, while paint system and coating weight also affect service life.
Can you customize dimensions, coating and color?
Yes. Thickness, width, coating weight, paint system, gloss and RAL color can be reviewed against your manufacturing process and order quantity.
What are your MOQ and lead time?
MOQ and lead time vary by specification, finish and production schedule. Send your required quantity and destination for a project-specific response.
Can you supply complete guardrail or roofing systems?
Yes. Fanda can coordinate coils, formed sheets and compatible system components based on drawings or a bill of materials.
Request a quotation
Start with your application and specification.
Send the material type, thickness, width, coating, quantity and destination if available. A steel specialist will review your requirement and respond with the recommended next step.
Specification review
Custom coating and color options
Export packing and shipment planning
Home / Why Fanda Steel Coils
Reliable Supply, Expert Guidance
Please send your message to us
Fanda Steel is a China-based steel manufacturer and export partner specializing in galvanized steel coils, Galvalume steel coils, prepainted steel coils, roofing and wall sheets, and highway guardrail systems.
Whether you are sourcing standard steel products, developing a customized specification or preparing materials for a construction or infrastructure project, our team can help you confirm the right material, coating, dimensions and supply plan before you place an order.
Send us your requirements, drawings or specification sheet. Our steel specialists will review the information and provide a tailored quotation and next-step recommendation.
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