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Premium Steel Pipes & Fittings for Global Industries

Yosun (Tianjin) Piping Engineering Co., Ltd. is a trusted international manufacturer and supplier of high-quality carbon steel pipes, alloy pipes, pipe fittings, flanges, and stainless steel tubing. Serving oil & gas, offshore, chemical, nuclear power, and vessel construction sectors worldwide.

Industrial piping systems

About Our Company

With over 15 years of experience, YOSUN has become a leading global provider of piping system materials.

Yosun Piping Manufacturing Facility

YOSUN is an international piping system material manufacturer and supplier, focusing on serving the oil & gas transporting, offshore platform, refining & chemical, nuclear power, vessel building, steel construction & machining industries.


Through more than 15 years of efforts in the international markets, YOSUN has successfully entered the Middle East, America, Africa, and Europe, providing piping system materials and serving major clients such as ARAMCO, KOC, ADCO, GE, SIEMENS, VINCI, BHP, WOOD, RAIZEN, LINDE, NNPC, TECHNIP, BP, SAMSUNG, SK, GS, DAEWOO, VOPAK, HALLIBURTON, PETRONAS, PDVSA, ODEBRECHT, SHELL, OLEX, and many others.


Combined with top-tier Chinese manufacturers and international engineering teams, YOSUN has become a professional Steel Piping & Structure Steel Module Provider.

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Our Main Products

High-quality piping solutions tailored to your industry needs

Stainless Steel Tubing

Stainless Steel Tubing

Corrosion-resistant tubing for chemical, pharmaceutical, and food processing industries.

  • Standards: ASTM A, EN10216-5, DIN 17456
  • Available in various diameters and wall thicknesses
  • Polished, pickled, or coated finishes
Carbon Seamless Steel Pipe

Carbon Seamless Steel Pipe

High-strength seamless pipes ideal for high-pressure applications in oil & gas and power plants.

  • ASTM A106, API 5L, GB/T 8163 standards
  • Hot-finished or cold-drawn options
  • Strict dimensional and mechanical control
Carbon Welded Steel Pipe

Carbon Welded Steel Pipe

Cost-effective welded pipes for structural and low-pressure fluid transport.

  • ERW, SSAW, and LSAW manufacturing methods
  • API 5L, ASTM A53, GB/T 3091 compliance
  • Galvanized or coated for corrosion resistance
Alloy Pipe

Alloy Pipe

High-performance alloy pipes for extreme temperature and pressure environments.

  • Materials: Cr-Mo, Ni-based alloys
  • ASTM A335, A213, A691 standards
  • Used in refineries, power stations, and chemical plants
Pipe Fitting

Pipe Fitting

Elbows, tees, reducers, and caps for seamless pipeline connections.

  • Carbon, alloy, and stainless steel options
  • ASME B16.9, MSS SP-75 standards
  • Butt-welded, forged, or fabricated
Flange

Flange

High-integrity flanges for secure pipeline joints in critical systems.

  • Weld neck, slip-on, blind, socket weld types
  • ASME B16.5, B16.47 standards
  • Available with RTJ, raised face, or flat face
Hot-rolled Steel Coil

Hot-rolled Steel Coil

Versatile steel coils used in pipe manufacturing, construction, and automotive sectors.

  • Q235, Q345, SAE1006, SAE1008 grades
  • Width: 600–1600mm, Thickness: 1.5–12mm
  • Coils or cut-to-length sheets available
Low Alloy Steel Tubes

Low Alloy Steel Tubes

Enhanced strength and toughness for demanding industrial applications.

  • ASTM A334, A209 standards
  • Used in boilers, heat exchangers, and condensers
  • Excellent weldability and thermal conductivity
Pipe Coating

Pipe Coating

Protective coatings to extend pipe life in corrosive environments.

  • FBE, 3LPE, 3LPP, coal tar enamel
  • Anti-corrosion, abrasion-resistant, and insulation layers
  • Custom coating solutions available
Austenitic Steel Pipe

Austenitic Steel Pipe

Non-magnetic, high ductility pipes for cryogenic and chemical applications.

  • Grades: 304, 304L, 316, 316L, 321
  • Excellent oxidation and corrosion resistance
  • Widely used in food, medical, and marine industries

Why Choose Yosun Piping?

Trusted by global leaders in energy, construction, and industrial sectors

Quality Assurance

100% quality guarantee. We take full responsibility for any quality issues.

Rich Experience

Over 15 years serving international markets across Middle East, Americas, Africa, and Europe.

Professional Solution

One-to-one service to help you select the right products and answer technical questions.

Good Service

High-quality after-sales service with rapid response within 24 hours.

Application Areas

We deliver reliable piping solutions across critical industries

Oil & Gas Transporting

Pipelines for onshore and offshore crude oil and natural gas transportation.

Offshore Platform

Corrosion-resistant materials for subsea and marine environments.

Refinerying & Chemical

High-temperature and pressure-resistant piping for processing plants.

Nuclear Power

Precision-engineered components meeting strict safety standards.

Vessel Building

Structural and fluid system piping for commercial and industrial vessels.

Steel Construction & Machining

Custom steel modules and fabricated components for industrial projects.

Get in Touch

For inquiries, quotes, or technical support, visit our official website to contact the Yosun Piping team.

Yosun (Tianjin) Piping Engineering Co., Ltd.

Room 1314, Building 10, Yihang International, Binhai New District, Tianjin 300450, China

Phone: +86 186 0222 9310

Email: [email protected]

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