7 Specialized Production Workshops 200,000 Tonnes Annual Production Capacity Full Diameter Coverage: Φ219 mm – Φ3620 mm Certified to API 5L, ASTM & Other International Standards with Full Supporting Acceptance Qualifications

Cangzhou Ruisheng Pipe Manufacturing Co., Ltd.

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Cangzhou Ruisheng Pipe Manufacturing Co., Ltd.

Company Mission/Vision:

Guided by a business philosophy of honesty and integrity, the company is committed to innovation and continuously refining production technologies, aiming to build a bright future together with clients.

Core Business Areas:

Manufacturing of double-sided submerged-arc welded spiral steel pipes, large-diameter straight-seam steel pipes, and comprehensive anti-corrosion coating services (external and internal). Products are used in pipeline engineering for oil & gas, chemicals, power generation, defence, shipbuilding, papermaking, heating, water supply/drainage, hydroelectric stations, piling, bridges, and steel structures.

Company Introduction Summary:

Cangzhou Ruisheng is a major steel pipe manufacturer located in Cangzhou, Hebei—China’s premier pipeline equipment hub. The company occupies a 24,354 m² site with 20,000 m² of factory space, holds a registered capital of 60 million RMB, and employs over 120 staff (including 18 senior technicians). It runs multiple state-of-the-art production lines equipped with USA-made Lincoln Electric automatic submerged-arc welders and supported by comprehensive inspection systems (in-line digital ultrasonic flaw detectors, hydrostatic testers, real-time X-ray imaging). With an annual spiral pipe capacity of 200,000 tonnes (120,000 tonnes actual) and an anti-corrosion processing capacity of 1 million m², the company has ample capability for international orders. Leveraging over 20 years of production and export experience, it serves markets across China and exports to Southeast Asia and the Middle East, offering one-stop steel pipe and anti-corrosion solutions with strict adherence to international standards.

Company Advantages Summary:

High Production Capacity: Annual spiral pipe capacity of 200,000 tonnes and anti-corrosion coating capacity of 1,000,000 m², ensuring timely delivery for large international orders.

Experience & Technology: Over 20 years of pipeline manufacturing and export expertise, utilizing advanced Lincoln Electric welding machines and full testing capabilities to produce high-quality, long-life steel pipes. In-house anti-corrosion processing allows true one-stop procurement and comprehensive project solutions.

Cost & Location Advantage: Situated in China’s pipeline equipment hub, the company benefits from significantly lower production costs compared to international markets, delivering high-quality products at highly competitive prices.

Ze Meng.JIA

Founder at RSCO

Product Main Function/Purpose

Product Series Name:

Spiral-welded Steel Pipes, Socket-weld Steel Pipes, Three-layer Polyethylene-coated Anti-corrosion Steel Pipes, Steel Pipes for Pile Foundations, Solvent-free Polyurethane Anti-corrosion Steel Pipes, Large-diameter Straight-seam Steel Pipes

Product Main Function/Purpose:

Spiral-welded pipes are designed for large-diameter applications such as oil and gas transmission, municipal water supply/drainage, bridge pile foundations, and water conservancy projects.

3PE anti-corrosion steel pipes provide exceptional protection and are the mainstream high-standard choice for long-distance oil/gas transmission and underground municipal pipelines.

Other pipes serve various structural and fluid transport needs in infrastructure.

Core Technical Advantages:

● Advanced submerged-arc welding using USA-made Lincoln Electric automatic machines.

● Complete quality inspection with in-line digital ultrasonic flaw detection, hydrostatic testing, and real-time X-ray imaging.

● Capable of external anti-corrosion coatings (single/double-layer FBE, 2PE, 3PE, 2PP, 3PP) and internal linings (IPN8710 polymer, cement mortar) in accordance with standards such as DIN 30670, DIN 30671, SY/T 4013-2002, GB/T 23257-2012.

● Strict product compliance with GB/T 9711.1-1997, SY/T 5037-2012, GB/T 3091-2001, and other specifications.

Application Industries:

Oil & gas；Chemicals；Power generation；Defence；Shipbuilding；Papermaking；District heating；Water supply and drainage；Hydroelectric power stations；Piling；Bridges；Steel structures

Optional Parameters/Models (Brief): Spiral-welded pipes: Diameter Φ219–Φ3,620 mm, wall thickness 6–50 mm.；Large-diameter straight-seam pipes: Diameter Φ325–Φ2,020 mm, wall thickness 6–60 mm.；Materials: Q235, Q345B (16Mn), 10#, 20#, L245, L290, L360, X45, etc.；Anti-corrosion options: FBE, 2PE, 3PE, 2PP, 3PP, IPN8710, cement mortar lining.

Product Highlights/Selling Points:

● Spiral-welded steel pipes:

Minimum order quantity of just 30 tonnes; standard sizes kept in stock year-round; production lead time of 3–10 days; prices more than 30% lower than international market.

● 3PE anti-corrosion pipes:

High-standard corrosion resistance with excellent mechanical strength, impact/wear resistance, long service life, and reliable sealing, widely recognized for critical infrastructure.

● Integrated one-stop supply from bare pipe production to advanced anti-corrosion coating.

Product Advantages and Selling Points Summary:

The steel pipes deliver superior cost-performance with internationally certified quality backed by advanced American welding equipment and rigorous testing. The integrated 3PE and other anti-corrosion services offer durable, long-life solutions for demanding projects. International buyers benefit from a low minimum order, fast turnaround, substantial cost savings, and a single experienced source for both standard and coated pipes, all supported by two decades of export expertise and a prime manufacturing location.

Inspection Testing Workshop