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PPGI Coil, PPGL Coil is our main product. We also produce metal roofing. Minimum Order Quantity: 25 tons.
Fully equipped galvanized and pre-painted steel laboratories for testing and evaluation of products.
We do sample production according to your specifications. Courier fee may apply.
Defective pre-painted steel quality claims are accepted with evidence.
Precise dimensional tolerances, tight zinc coating control, and no cutting corners on paint thickness.
Focus on the metal coil industry with premium quality and global compliance.
Pre-Painted Galvanized Iron with high durability and aesthetic finish. Ideal for roofing, cladding, and appliances.
Pre-Painted Galvalume with superior corrosion resistance. Combines aluminum and zinc for extended lifespan.
Zinc-coated steel for excellent rust protection. Used in construction, automotive, and industrial applications.
Al-Zn coated steel with high reflectivity and heat resistance. Suitable for roofing and HVAC systems.
Lightweight, corrosion-resistant aluminum with vibrant color coating. Perfect for decorative and architectural use.
Next-gen corrosion protection with enhanced durability. Ideal for harsh environments and long-term projects.
Matte finish, ideal for residential roofing and siding.
Modern, sleek look for commercial buildings and industrial use.
Neutral tone, perfect for urban and minimalist architecture.
Industrial-grade finish with metallic luster and high reflectivity.
Rich green tone, excellent for heritage and eco-friendly projects.
We support RAL, Pantone, and custom color requests.
We go beyond manufacturing with precision processing and support.
Custom profiles and bends to meet your design requirements.
Precision cutting to your specified dimensions and tolerances.
Narrow slitting for custom widths and efficient material use.
Free sample testing to verify composition and coating quality.
COSASTEEL is a PPGI coil, galvanized coil, and aluzinc coil manufacturer based in China. Established in 2016 and located in Shandong Province, we are passionate about the metal construction industry.
We partner with world-renowned paint brands including PPG, Beckers, Valspar, Nippon to ensure long-lasting performance and color retention. Our 7 advanced steel coil production lines enable high-capacity output with strict quality control.
Learn more about steel coils, applications, and industry best practices.
Understanding specifications, substrates, and coating systems for informed decisions.
Read More →
Learn about primer types, topcoat systems, and performance characteristics.
Read More →
Why Galvalume lasts longer than galvanized in many environments.
Read More →Our standard MOQ is 25 tons per order. We can accommodate smaller sample orders upon request.
Yes, we offer free sample production based on your specifications. You may need to cover the courier fee.
We partner with PPG, Beckers, Valspar, Nippon, and other globally recognized paint suppliers.
Yes, we support RAL, Pantone, and custom color matching for large orders.
Our products comply with ASTM, JIS, EUROS, and Australian standards. Full test reports available upon request.
Contact us directly for quotes, samples, or technical support. Our team speaks multiple languages including Spanish, French, Portuguese, Italian, German, Russian, Turkish, and Polish.
Email Us
sales@cosasteel.comMon-Sat: 9:30 AM to 7:00 PM (China Time)
Address: NO.48 SHIJI ROAD, ZIBO CITY, SHANDONG PROVINCE, CHINA
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