Precision Tube Manufacturing Excellence
Leading provider of high-quality seamless steel pipes and bearing tubes since 2000.
Our Key Manufacturing Products
Explore our diverse range of high-quality precision pipes designed to meet industry standards and client specifications.
Premium Bearing Tubes (GCr15 / 52100/100Cr6/SUJ2)
We supply top-tier seamless steel tubes dedicated to the global bearing industry. Through rigorous quality control, our tubes deliver the superior micro-structure and machinability required for high-performance bearings.
Our core expertise includes:
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Main Steel Grades:GCr15, 52100, SUJ2, 100Cr6.
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Dimensional Range: OD 10 - 130 mm | WT 2 - 20 mm.
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Production Capacity: At least 70,000 tons/year, ensuring reliable global delivery.
High-Performance Carbon & Alloy Steel Pipes
Yiyang provides premium carbon and alloy seamless steel pipes designed to meet the rigorous demands of global manufacturing. Backed by extensive standard certifications, we deliver tailored, precision-engineered solutions for multi-industry applications.
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Dimensional Range: OD 10 - 130 mm | WT 1 - 25 mm.
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Key Applications: Boilers & Heat Exchangers, Engineering Machinery, Automotive, Shipbuilding, and Chemical Industries.
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Global Standards: Fully compliant with GB, ASTM/ASME, EN (BS/NF), JIS, and GOST.
High-Performance Bearing Components
We provide comprehensive bearing material solutions, from premium GCr15/52100 steel tubes to finished precision rings. Designed to endure extreme conditions, our capabilities include:
Product Range: DGBB, NRB, CRB, ACBB, DRDGBB, WPB & Rock Ram.
Size Capabilities: Hydraulic line OD 12-90mm | CNC OD 30-150mm.
Key Advantage: Superior fatigue resistance and customized machining.
Smart Manufacturing. Global Reach. Unmatched Capacity.
Since 2000, Yiyang has evolved into an industry-leading manufacturer of seamless steel tubes and precision bearing rings. Backed by a 1.2 billion RMB (approx. $175 Million USD) total investment and an advanced ERP-driven management system, we deliver world-class components to global markets.
Why Global Industry Leaders Choose Us:
Massive Scale: A 147,000 sqm intelligent facility with an annual output of 120,000 tons of tubes and 300 million precision rings.
World-Class Partnerships: Deep, ongoing collaborations with the world’s Top 8 global bearing enterprises.
Cutting-Edge Quality: Equipped with fully imported international intelligent testing and production lines to guarantee precision.
Global Footprint: Supplying critical automotive, machinery, and HVAC components to the Americas, Europe, and Southeast Asia.