Baosteel company: Your Trusted PPGI/PPGL Manufacturer & Supplier in China
Baosteel company is a premier PPGI (Pre-Painted Galvanized Iron) and PPGL (Pre-Painted GalvaLume) steel coil manufacturer in China. We specialize in delivering high-quality color coated steel coils directly from our advanced manufacturing facilities. Our vertically integrated production process, from substrate rolling to final coating, ensures complete control over quality, cost, and delivery timelines for global clients in construction, industrial manufacturing, and appliance sectors.
We combine scale with precision, offering both standard and fully customized coil solutions backed by stringent quality certifications and dedicated technical support.
Ready to get factory-direct prices? Contact our team for an instant quote or free sample swatches.
PPGI / PPGL Product Specifications & Technical Data
| Parameter | Standard Range | Customization Available |
|---|---|---|
| Base Material | GI (DX51D-DX53D), GL (AZ100-AZ150), CR | Yes |
| Thickness | 0.12 mm – 1.50 mm | Yes |
| Width | 600 mm – 1250 mm | Yes (Slitting service) |
| Zinc Coating Mass | Z60 – Z275 g/m² (GI), AZ100 – AZ180 (GL) | Yes |
| Paint System | Polyester (PE), SMP, HDP, PVDF | Yes |
| Top Coat Thickness | 20 – 35 μm | Yes |
| Finish Type | Glossy, Matte, Textured, Embossed, Metallic | Yes |
| Standard Colors | Full RAL / Pantone library | Custom color matching |
| Coil Weight | 3 – 10 MT (Standard) | As required |
| Core Diameter | 508 mm / 610 mm | Customized |
All products comply with ISO 9001, ASTM, EN, and JIS standards. Detailed Mill Test Certificates (MTC) provided with shipment. Explore our full PPGI / PPGL product specifications for more details.
Key Applications of Baowu PPGI Steel Coils
Our color coated steel coils are engineered for performance in diverse applications:
Architectural & Building Envelopes: Roofing sheets, wall cladding, rain screen systems.
Industrial & Commercial Construction: Pre-engineered metal buildings, warehouse panels, industrial doors.
Composite Panels: Insulated sandwich panels for cold storage and facades.
Appliances & Household: HVAC housings, refrigerator liners, washing machine panels, kitchen hoods.
Transport & Modular Units: Container houses, vehicle body panels, modular building components.
Ideal for projects in coastal, tropical, and high-corrosion industrial environments.
The Baosteel company Advantage: Inside Our Manufacturing & Quality Process
1. Premium Substrate Sourcing & Preparation
Quality originates with the base metal. We utilize hot-rolled and cold-rolled steel coils from our integrated mills, guaranteeing metallurgical consistency and full traceability. The coil undergoes intensive alkaline cleaning and mechanical brushing to create a perfectly clean, active surface for coating adhesion.
2. Precision Metallic Coating (GI/GL)
The strip passes through a continuous hot-dip galvanizing or Galvaluming line. Coating weight is precisely controlled using advanced air-knife technology to meet exact corrosion protection specifications (e.g., Z180 for severe environments).
3. Chemical Pretreatment & Primer Application
A chromate or eco-friendly chrome-free conversion coating is applied to form a passivation layer, significantly boosting long-term corrosion resistance. A high-performance epoxy or polyester primer is then roller-coated and cured, forming the critical bond between metal and topcoat.
4. Advanced Coil Coating & Curing
This is the core of our PPGI production. State-of-the-art reverse roller coaters apply uniform layers of topcoat and backcoat. We partner with global paint leaders (AkzoNobel, PPG, Beckers) to offer superior paint systems (PE, SMP, HDP, PVDF). The coil is then cured in a high-temperature oven to achieve optimal cross-linking, ensuring durability, flexibility, and color fastness.
5. Multi-Stage Inspection & Export Packaging
Every coil is subjected to rigorous inspection:
Online: Continuous monitoring of coating thickness, color consistency (spectrophotometer), and surface defects.
Offline Lab Testing: Regular sampling for adhesion (T-bend test), pencil hardness, impact resistance, salt spray resistance (ASTM B117), and QUV weathering.
Only coils passing all checks are packaged with VCI anti-rust paper and heavy-duty, weatherproof wrapping for secure global shipment.
Our Integrated Quality Management System
Baosteel company’s quality commitment is systemic and certified:
Certification: ISO 9001:2015 Quality Management System.
Process Control: Full implementation of IQC, IPQC, and FQC checkpoints.
Testing Capabilities: In-house laboratory for mechanical, chemical, and performance testing (salt spray, UV aging, gloss/color measurement).
Traceability: Complete batch tracking from raw material to finished product.
Compliance: Products meet ASTM A755/A755M, EN 10169, JIS G 3322, and other international standards.
Customization & Value-Added Services
We excel at tailoring solutions to your project:
Custom Paint Formulations: Specific colors (RAL/Pantone matching), textures, and performance grades (anti-microbial, cool roof).
Pre-Fabrication Processing: Precision slitting to custom widths, shearing to length, and embossing.
Technical Partnership: Our engineering team provides material selection support, specification guidance, and application troubleshooting. Learn more about our PPGI customization options.
Global Logistics & Supply Chain Support
We ensure your materials arrive on time and in perfect condition:
Export Packaging: Seaworthy, wooden pallets with steel edges, VCI paper, and reinforced waterproof wrapping.
Logistics Expertise: Smooth handling of FOB, CIF, CFR, or DDP terms. Experienced in container and break-bulk shipments.
Documentation: Professional commercial invoice, packing list, Bill of Lading, and Mill Test Certificate (MTC/CO).
Why Source PPGI from Baosteel company?
Vertical Integration: Unmatched control over quality from ironmaking to coating, ensuring supply stability and cost efficiency.
Scale & Reliability: Massive production capacity delivers consistent quality for large-scale and long-term projects.
Technical Expertise: Direct access to application engineers for material optimization and problem-solving.
Global Competitiveness: Factory-direct pricing combined with international quality standards offers exceptional value.
We are a trusted supplier to partners in over 30 countries across Europe, the Middle East, Southeast Asia, Africa, and the Americas.
Start Your Project with Baosteel company
Next Steps for Buyers & Specifiers:
For Engineers & Architects: Download our comprehensive PPGI Technical Datasheet for detailed specifications and performance data.
For Procurement Managers: Request free A4 sample swatches in your desired colors and finishes.
For Business Owners & Importers: Submit your detailed inquiry (specs, quantity, destination) for a competitive factory-direct quotation within 24 hours.
Looking for a reliable, high-volume PPGI steel coil manufacturer in China? Partner with Baosteel company for certified quality, competitive pricing, and seamless supply chain execution. View our complete PPGI / PPGL product range here.
Contact Our Sales Team Now to discuss your requirements.
