About Authentic Steel – Premier Steel Coil Manufacturer & Global Exporter
AUTHENTIC (TIANJIN) I AND E LTD operates as the dedicated international export branch of Winroad Group. Strategically located in the key port hub of Tianjin, China, we streamline the export of top-tier coated, rolled, and customized steel products to overseas distributors, stockists, and industrial buyers worldwide. Since our group’s foundation in 1994, and through our expanded global trading channels established in 2002, we have supplied structural and commercial-grade steel to more than 78 countries across Europe, South America, Southeast Asia, the Middle East, and Africa.
Our operational strategy combines internal manufacturing excellence with integrated industrial supply chains, providing global customers with guaranteed physical quality, flexible trade terms, and efficient shipping logistics.
Factory Direct Supply & Strategic Mill Partnerships
At Authentic Steel, we maintain strict manufacturing control over our primary product portfolio while maintaining strategic mill partnerships for heavy structural grade materials:
In-House Factory Manufacturing:
Galvanized Steel Coils & Sheets (GI): Thickness 0.10–3.5 mm, zinc coating from 30 g/m² up to 600 g/m².
Galvalume Steel Coils (GL): 55% Aluminum-Zinc alloy coating (20–180 g/m²) engineered for superior atmospheric corrosion resistance.
Cold Rolled Coils & Sheets (CRC): Fully self-produced standard and drawing quality steel (DC01, SPCC-SD, ST12) with precision surface finishing.
Prepainted Steel Coils (PPGI / PPGL): Vibrant color-coated solutions featuring PE, SMP, HDP, and PVDF paint systems tailored for harsh outdoor climate exposure.
Zinc-Aluminum-Magnesium Coils (ZAM): Advanced long-lasting corrosion protection (30–450 g/m²) ideal for solar mounting structures and agricultural housing.
Steel Strips & Roofing Sheets: Black annealed, bright finish, and customized corrugated profile sheets.
Hot Rolled Coils (HRC Strategic Supply):
For Hot Rolled Coils and Plates (Q195, Q235B, Q345B, SS400, A36), we leverage long-term, deep strategic partnerships with China’s premier top-tier steel mills—including Baosteel, Rizhao Steel, HBIS Group, and Yanshan Steel. This collaborative model ensures consistent access to massive mill allocations and diverse specification options.
Why Global Clients Partner with Authentic Steel
1. Strict Quality Assurance & Testing Laboratory Quality is non-negotiable. Every production batch undergoes comprehensive laboratory inspection. From zinc layer measurement, salt spray corrosion tests, and T-bend testing to precise mechanical tensile strength evaluations, we ensure every coil strictly conforms to ASTM, EN, JIS, and GB standards prior to shipment.
2.Port Proximity & Rapid Ocean Logistics Situated in Tianjin, adjacent to one of North China's largest container and bulk cargo sea ports, our logistics team manages container loading, moisture-proof export packaging, and port customs clearance with maximum efficiency, minimizing transit lead times for global projects.
3.Flexible Commercial Terms & Dedicated Service
We understand the cash flow dynamics of international steel trading. Authentic Steel offers adaptable commercial arrangements (including T/T and L/C options) alongside bilingual, professional customer support available through the entire purchasing and after-sales process.
Company Contact Information
Company Name: AUTHENTIC (TIANJIN) I AND E LTD (Winroad Group Export Dept.)
Factory & Office Location: Tianjin, China
Export Inquiry Email: bella@authsteel.com
WhatsApp / WeChat: +86 189 2041 0870
