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SUNLION – Global Leader in
Piping & Structural Steel

An international piping system material manufacturer and supplier, serving oil & gas transportation, offshore platforms, refineries, nuclear power, vessel building, steel construction, and machining industries.

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About SUNLION

SUNLION GROUP has firmly established itself as one of the respected global Piping and Structural Steel Modules Providers to Oil & Gas transportation, Refinery & Chemical, Quay wall and Berth, Marine & Offshore, Nuclear & Wind Power, and Mining markets.

With our unique, integrated approach, we deliver modular solutions worldwide—ensuring quality, reliability, and on-time delivery for every project, no matter the scale or complexity.

  • ISO-Certified Manufacturing
  • Global Supply Network
  • HSEQ-Compliant Operations
SUNLION Manufacturing Facility

Our Products

Comprehensive range of high-performance piping and structural solutions

Welded Pipe

Welded Pipe

High-strength welded pipes for oil & gas, offshore, and industrial applications. Available in various dimensions and coatings.

  • • LSAW & HSAW options
  • • Custom lengths and diameters
  • • 3LPE, FBE, and anti-corrosion coatings
Seamless Pipe

Seamless Pipe

Precision-engineered seamless pipes for high-pressure environments including refineries and nuclear power plants.

  • • ASTM A335 P92 Alloy SMLS
  • • Sizes up to 1016mm diameter
  • • High-temperature resistant
Piling & Sheet Piles

Piling & Sheet Piles

Heavy-duty piling solutions for port infrastructure, quay walls, and marine construction projects.

  • • Large dimension LSAW piling
  • • Corrosion-resistant coatings
  • • Suitable for offshore use
OCTG

OCTG

Oil Country Tubular Goods for drilling and extraction operations. Built to withstand extreme downhole conditions.

  • • API 5CT compliant
  • • Casing, tubing, and drill pipes
  • • Premium connections available
Stainless Products

Stainless Products

Corrosion-resistant stainless steel pipes and fittings for chemical, pharmaceutical, and food processing industries.

  • • Grades 304, 316, 321, etc.
  • • Seamless and welded options
  • • Polished and sanitary finishes
Fittings

Fittings

Elbows, tees, reducers, caps, and other ASME B16.9 fittings for seamless integration into piping systems.

  • • Carbon, alloy, and stainless steel
  • • Butt-weld and socket weld types
  • • Third-party inspected
Flanges

Flanges

High-integrity flanges for secure pipeline connections in high-pressure and high-temperature environments.

  • • Weld neck, slip-on, blind flanges
  • • ANSI, DIN, JIS standards
  • • RTJ and raised face options
Valves

Valves

Reliable valve solutions including gate, globe, check, and ball valves for critical flow control.

  • • API 600, API 602 compliant
  • • Manual and actuated options
  • • Fire-safe design available
Bends

Bends

Precision cold-formed and hot-induction bends for smooth directional changes in pipeline systems.

  • • 30°, 45°, 60°, 90° angles
  • • Large diameter LSAW bends
  • • Stress-relieved and tested
Piping Module

Piping Module

Pre-fabricated, skid-mounted piping modules for fast on-site installation in offshore and industrial plants.

  • • Fully welded and tested
  • • Insulated and coated
  • • Plug-and-play integration
Structural Steel Module

Structural Steel Module

Custom-engineered steel structures for platforms, walkways, supports, and offshore topsides.

  • • Beams, columns, trusses
  • • Galvanized or painted finish
  • • Seismic and wind-resistant design
Others

Other Products

Custom solutions including spools, manifolds, supports, and specialty components.

  • • Client-specific designs
  • • Rapid prototyping
  • • Full documentation package

Our Services

End-to-end support from design to delivery

Coating Services

We provide advanced protective coatings including 3LPE, FBE, 2LPP, and anti-corrosion systems to ensure longevity and performance in harsh environments.

  • • Fusion Bonded Epoxy (FBE)
  • • 3-Layer Polyethylene (3LPE)
  • • Internal lining and cladding
  • • Quality control and adhesion testing

Third Party Inspection

Full compliance with international standards through independent inspection and certification by authorized agencies.

  • • Material traceability (MTRs)
  • • NDT: UT, RT, PMI, MPI
  • • Dimensional and visual checks
  • • Witness points and FAT reports

Project Highlights

Delivering excellence across continents

P75 & P77 FPSO

PETROBRAS | Brazil

Supplied complete package of pipes, fittings, flanges, and valves for offshore floating production systems.

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Melbourne Port Project

McConnell Dowell | Australia

Manufactured and supplied large-dimension piling pipes for quay wall reinforcement.

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Houston Port, USA

SHELL | United States

Fabricated and supplied large-dimension LSAW piling pipes for offshore infrastructure.

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Romania Natural Gas Transportation

Euro Gas Systems | Romania

Fabricated and supplied HSAW line pipes with 3LPE coating for long-distance gas transmission.

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Obiafu/Obrikom-Oben Node (OB3) Gas Pipeline

NNPC | Nigeria

Produced large-dimension LSAW bends for challenging terrain pipeline routing.

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Latest News

Successful Shipment of Alloy SMLS Pipes

Once again, SUNLION successfully shipped out the third batch of Alloy SMLS Pipes as per ASTM A335 P92 with sizes 863.6mm x 30mm x 10,000mm and 1,016mm x 35mm x 9,000mm, totaling 20 pcs in 40HQ containers, about 400 metric tons, to one of our overseas regular EPC clients last week.

The shipment underwent rigorous container loading inspection at our warehouse, ensuring secure packaging and compliance with international shipping standards. We are proud to continue delivering high-quality products to our global partners.

Read More on Official Site →

Get in Touch

Reach out to our team for inquiries, quotations, or project collaboration. We're ready to support your next industrial challenge.

SUNLION Head Office

Address: Rm. 203, Bld.4, No.123, Hulan West Road, Baoshan District, Shanghai, China (200433)

Phone: +86-21-5677-9677

Mobile: +86-187-216-77767

Email: [email protected]

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SUNLION - UAE Office

Address: 101, 1st Floor, Tower-C, ADCP Building, Al Douj Street, Abu Dhabi, UAE

Phone: +971 26221811

Mobile: +971 503269010

Partner: Fusion Engineering Suppliers

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