About Us

Prosper Steel Industry Co., Ltd. is a one-stop supplier of piping materials and fittings. Headquartered in Changsha, with its manufacturing bases located in Tangshan, the center of China's steel industry, the company specializes in a comprehensive range of products, including seamless steel pipes, welded steel pipes, OCTG, as well as pipe fittings such as elbows, flanges, valves, grooved fittings, and malleable iron fittings. Prosper Steel operates three modern manufacturing facilities equipped with advanced rolling, welding, galvanizing, and value-added processing production lines. The company has an annual production capacity of 100,000 tons of seamless steel pipes, 100,000 tons of welded steel pipes, 150,000 tons of galvanized steel pipes, and 50,000 units of various flanges, valves, and pipe fittings. Leveraging Tangshan's strong industrial advantages, Prosper Steel adheres to the business philosophy of "Integrity First, Quality Foremost." The company is committed to providing high-quality steel pipe products and professional services to customers worldwide. Through lean manufacturing and intelligent management systems, Prosper Steel ensures stable production capacity and on-time delivery, meeting both large-scale project requirements and customized demands. Our products are manufactured in strict compliance with international, national, and industry standards, including ISO, ASTM, EN, GB, and API, and are certified under the ISO 9001 Quality Management System. Today, our products are exported to Southeast Asia, the Middle East, Europe, the Americas, and other global markets, helping more than 1,000 partners worldwide, including contractors and distributors, achieve optimized project solutions and sustainable business growth.

HOT PRODUCTS

Line Pipe

Line Pipe

    Line pipe is a high-strength steel pipe designed for the safe and efficient transportation of oil, natural gas, water, and other fluids over long distances. It is manufactured to meet stringent international standards, ensuring excellent mechanical properties, corrosion resistance, and weldability. Line pipes are widely used in onshore and offshore pipeline systems, where they provide reliable performance under high pressure and demanding environmental conditions. They are available in various grades, sizes, and wall thicknesses to suit different operating requirements and project specifications.
Boiler pipe

Boiler pipe

    Boiler pipes are high-quality steel tubes designed for high-temperature and high-pressure applications in boilers, heat exchangers, superheaters, and power generation systems. Manufactured from premium carbon steel or alloy steel, they provide excellent heat resistance, pressure-bearing capacity, and durability. Available in seamless and welded types, boiler pipes comply with international standards and are widely used in power plants, petrochemical facilities, industrial boilers, and energy projects requiring safe and efficient steam and fluid transportation.
ERW Pipe

ERW Pipe

    Our ERW (Electric Resistance Welded) steel pipes are manufactured from high-quality steel coils through advanced continuous roll forming and high-frequency induction welding. This state-of-the-art production process ensures exceptionally tight dimensional tolerances, uniform wall thickness, and an ultra-smooth internal and external surface. Designed for reliability under pressure, our ERW pipes deliver structural integrity and excellent machinability, making them a cost-effective, versatile, and high-performance solution for both fluid transportation and mechanical applications worldwide.
SSAW Pipe

SSAW Pipe

    SSAW (Spirally Submerged Arc Welding) steel pipe, also known as spiral welded pipe, is manufactured from hot-rolled steel coils that are spirally formed and welded by double-sided submerged arc welding. The spiral weld seam is uniformly distributed along the pipe body, enabling the same coil to produce various diameters with wide material adaptability. The spiral forming process allows the weld to avoid principal stress directions, resulting in favourable stress distribution. It is widely used in long-distance oil and gas pipelines, waterworks, piling foundations, and steel structures, making it an ideal choice for large-diameter fluid transmission and cost-effective structural applications.
LSAW Pipe

LSAW Pipe

    LSAW (Longitudinally Submerged Arc Welded) steel pipe, also known as straight seam submerged arc welded pipe, is manufactured from hot-rolled steel plates that are formed into a cylindrical shape and welded by double-sided submerged arc welding along a single longitudinal seam. The longitudinal weld seam ensures consistent weld quality and full penetration across the entire pipe length. Compared to spiral welded pipes, LSAW pipes offer superior dimensional accuracy, smaller weld deformation, and more uniform mechanical properties. With excellent resistance to high pressure and harsh conditions, they are the preferred choice for high-grade long-distance oil and gas trunk lines and critical offshore pipeline systems.
Fluid Pipe

Fluid Pipe

    Fluid pipes are designed for the safe and efficient transportation of water, oil, gas, steam, and other liquids or gases in industrial and commercial applications. Manufactured to international standards, they offer excellent strength, pressure resistance, corrosion resistance, and durability. Available in seamless and welded types, fluid pipes are widely used in petrochemical plants, power stations, water supply systems, construction, and general industrial pipelines. Various sizes, grades, and surface treatments are available to meet different operating conditions and project requirements.
WHY CHOOSE US?
  • Massive Production & Stable Supply

    Massive Production & Stable Supply

    We guarantee a massive annual supply capacity. By leveraging our direct mill access and bulk purchasing power, we offer highly competitive factory-direct prices

  •  Strict Quality Control & International Standards

    Strict Quality Control & International Standards

    Quality is our lifeline. All our steel products strictly comply with international standards such as ASTM, AISI, DIN, and JIS.

  • Global Logistics & Bulk Shipping Expertise

    Global Logistics & Bulk Shipping Expertise

    With extensive experience in bulk cargo and container shipping, we optimize logistics routes to deliver your steel products safely and cost-effectively to any port worldwide.

  • Proven Global Reputation & Customer Trust

    Proven Global Reputation & Customer Trust

    With years of export experience, we have successfully served clients across Southeast Asia, the Middle East, Europe, and Africa. Our commitment to integrity, transparency, and customer satisfaction has earned us a solid reputation as your reliable long-term steel partner.