Welcome to HAILIANG
Jiangsu Hailiang Dongfang Import and Export Co., Ltd. is a professional manufacturer, supplier, and exporter of carbon steel products with over 20 years of experience. We specialize in high-quality carbon steel materials, including Carbon Steel Pipe, Carbon Steel Plate, and Structural Sections. As an experienced carbon steel factory in China, we offer competitive pricing, fast delivery, and strict adherence to ISO standards. Together with our Hong Kong branch, HAILIANG GROUP LIMITED, our strong global network and unwavering commitment to quality make us a trusted partner for clients worldwide.
Competitive Price
Deliver Faster
Quality Promise
Third-Party Inspection
30+
Factories
1-on-1
Service
24/7
Available
100+
Exporting Countries
Our Blog
I-Beam vs. H-Beam Bearing Efficiency
January 16, 2026
Choosing the correct structural steel profile—specifically between I-Beams (S-shape) and H-Beams (W-shape)—is a critical early-stage decision in any construction project. This choice directly impacts load-bearing capacity, material costs, span capabilities, and construction complexity. For project managers overseeing large-scale procurement and engineering execution, a deep understanding of the mechanical differences between I-Beams and H-Beams is essential
Hot Rolled vs. Cold Rolled Steel Coils: A Procurement Guide from Deep Drawing to Surface Finish
September 3, 2025
The choice between Hot Rolled (HR) and Cold Rolled (CR) steel coils fundamentally dictates the capabilities of the downstream manufacturing process, affecting everything from final product surface aesthetics and dimensional accuracy to complex forming operations like deep drawing. Procurement managers must view this decision as a trade-off between cost, mechanical properties, and finish requirements. Key
Zinc Coating Thickness, Adhesion, and Corrosion Resistance Metrics
March 13, 2024
The application of Hot-Dip Galvanized (HDG) steel sheets is an industry standard in modern automotive design, driven by stringent consumer and regulatory demands for extended vehicle lifespan and reduced perforation corrosion warranty claims. For automotive procurement specialists, specifying the correct zinc coating parameters—thickness, alloying, and adhesion—is crucial for ensuring the material performs under extreme road