Providing high-performance large-diameter steel pipes, LSAW pipes, seamless pipes, and complete pipeline solutions for global energy and infrastructure projects.
We manufacture a comprehensive range of large-diameter pipes for oil & gas, water transmission, structural, and industrial applications.
Longitudinal submerged arc welded pipe, OD 406mm-1626mm, for long-distance oil & gas transmission pipelines.
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Spiral submerged arc welded pipe, OD 219mm-3500mm, for water supply, piling, and structural applications.
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API 5L seamless line pipe for oil & gas transmission, OD up to 720mm, high-pressure rated for critical service.
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Large diameter structural pipes for construction, bridges, offshore platforms, and heavy engineering projects.
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API 5CT coated casing and tubing pipes for oil well drilling and completion, J55/K55/N80/L80/P110 grades.
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3-layer polyethylene anti-corrosion coating, OD up to 2500mm, for buried pipelines and subsea applications.
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Electric resistance welded straight seam pipe, OD up to 660mm, for low-to-medium pressure fluid and structural use.
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Specialized large-diameter pipes for subsea pipelines, compliant with DNV and offshore engineering standards.
Learn More →Sino East Steel Group is a leading large-scale manufacturer and supplier of steel pipe products, headquartered in Tianjin, China. With over 18 years of experience in the steel industry, we have established a strong position as a premier factory for large-diameter pipes serving global markets.
Our state-of-the-art manufacturing facility spans over 80,000 square meters, equipped with advanced production lines for LSAW, SSAW, seamless, and ERW pipes. We specialize in producing pipes with outer diameters ranging from 219mm to 3500mm, serving critical industries including oil & gas, water infrastructure, construction, and offshore engineering.
We combine manufacturing excellence, rigorous quality control, and customer-focused service to deliver reliable steel pipe solutions.
Every batch undergoes hydrostatic testing, UT/RT inspection, and full material traceability from raw material to finished product.
Large inventory and multiple production lines ensure rapid turnaround. Pre-inspected packing for smooth customs clearance.
Factory-direct pricing with integrated supply chain from raw material sourcing to finished product delivery worldwide.
Expert engineering team assists with material selection, specification compliance, and project-specific requirements.
Strategic port partnerships and experienced freight coordination for reliable worldwide shipping and on-time delivery.
Complete shipment documentation: mill test certificates, NDT reports, coating inspection records, and loading photos.
Our products meet rigorous international standards, certified by leading industry authorities.
Contact our sales team for a customized quotation. We respond within 24 hours.
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