Product Overview
Our color coated galvanized steel coil (prepainted galvanized steel coil) is produced from high-quality galvanized steel substrate through a continuous painting line, featuring excellent corrosion resistance, outstanding durability, strong adhesion, and a smooth, attractive surface. The zinc coating provides reliable anti-rust protection, while the organic paint layer (available in PE, SMP, HDP, PVDF coatings) ensures long-lasting color retention in harsh environments.
We supply a wide range of specifications: coil thickness from 0.09mm to 3.0mm, width from 40mm to 1250mm, and over 20 standard colors with customizable coating types and embossed patterns. The product is widely used in roofing sheets, wall cladding, steel structures, home appliances, cold storage panels, and industrial buildings.
As a professional manufacturer with multiple production lines and stable capacity, we carry out strict quality inspection on every batch, ensuring consistent performance. Our products are exported to more than 50 countries and regions, and we warmly welcome OEM/ODM orders, sample requests, and factory visits.


Core Product Advantages
This color coated galvanized steel coil protects the base steel twice - zinc underneath, color coating on top. If the paint gets scratched or an edge is cut, the zinc keeps defending the spot.
The paint film is made for forming. T-bend and reverse impact performance keep it from cracking or peeling when the coil is bent, roll-formed, or punched into profiles.
Color stays stable outdoors. UV-stable pigments resist fading and chalking, and batch-to-batch consistency keeps panels from different shipments looking the same on one wall.
Surface evenness is controlled across the full width. Coating thickness stays consistent, so formed panels show a smooth, uniform finish without streaks or thin spots.
The coating system can be matched to the project - standard polyester for indoor use, HDP for industrial buildings, PVDF for coastal and high-exposure sites.
Pre-painting saves a step on site. Panels are formed, cut, and installed without field painting, which shortens installation time and keeps the finish uniform across the whole building.
Detailed specifications for the entire product series
| Item | Details |
| Color | Ral chart or as customer required |
| Thickness | 0.09mm-3.0mm |
| Width | Z40-1250mm |
| Coating Thickness | 5+10um/5um-5+25um/15um |
| Paint | PE, SMP, PU, HDP, PVDF, SRP,etc |
| Paint Brand | Akzonobel, Nippon Paint, KCC, PPG, etc |
| Zinc coating | Z20-275g/㎡ |
| Standard | ASTM AISI JIS GB |
Typical Application Scenarios
Building Roofing and Enclosure Systems
Widely used for roofing panels, exterior wall facades, and door/window trim in industrial plants, logistics parks, and commercial complexes; compatible with roll-forming and bending processes, and capable of withstanding long-term outdoor exposure to sun and rain while maintaining color and structural stability.
Home Appliances and Electrical Enclosures
Serves as the base material for the casings of major appliances (such as refrigerators, washing machines, and air conditioners) and is used in the manufacture of industrial control cabinets and power distribution boxes; features strong coating adhesion and meets precision requirements for high-volume stamping and forming.
Transportation and Infrastructure
Used for shipping container side panels, road signs, highway noise barriers, and transit shelter enclosures; offers impact resistance and durability against wind-blown sand and abrasion, making it suitable for demanding outdoor environments.
Agricultural and Industrial Facilities
Suitable for livestock housing, grain storage silos, and photovoltaic mounting structures; resistant to acids, alkalis, and corrosion, ensuring reliability in specialized operating environments such as farms and industrial sites.



Rigorous Production & Quality Control System
All products need to go through strict full-item quality inspection after production. The testing items cover core indicators such as dimensional accuracy, flatness, color difference, coating adhesion, salt spray corrosion resistance. Only products whose all indicators fully meet the standards and customer requirements can enter the packaging and delivery link, ensuring that every product received by global customers has stable and reliable quality.


Packaging & Global Delivery
Standard Packaging: Waterproof paper + steel strip fixing + wooden pallet, ensuring safe transportation.
Lead Time: 7–15 days after deposit (based on order quantity)
Port of Loading: Qingdao Port and Tianjin Port in China
MOQ: One container (trial order negotiable)

Authoritative Qualification Certifications
Our full series of color-coated galvanized steel coils has passed ISO 9001, CE, RoHS and REACH certifications, fully meeting regulatory standards in major global markets. Each batch is accompanied by third-party test reports from SGS and BV. All certification documents and reports are provided with the goods for smooth project acceptance and market access.

Full-Process Customer Service & Support
Customized production according to drawings/samples
Professional technical consultation and after-sales service
Stable supply capacity with an annual output of 200,000 tons
Flexible payment terms (T/T, L/C,.)
FAQ
Service life varies by coating grade and operating environment. Standard PE coating delivers 7–10 years of performance in inland industrial and residential settings, while PVDF fluorocarbon coating can last 15–20 years in coastal or high-corrosion industrial zones. Under normal use without prolonged exposure to strong acids or alkalis, color retention and corrosion resistance degrade gradually.
Key price drivers include spot steel base price, zinc layer thickness, coating type and thickness, color customization complexity, order volume and delivery requirements. Bulk orders of standard specifications qualify for factory direct pricing, while special materials and small-batch custom orders are quoted individually based on exact requirements.
Standard stock specifications can be shipped within 1–3 business days. Custom orders typically have a production lead time of 7–15 days, and large-volume orders can be delivered in batches by mutual agreement. For export orders, we can align production with your shipping schedule and support FOB, CIF and other common Incoterms.
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