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Company Advantage

Excellent Quality

01

Excellent Quality

For each process, we have strict inspection standards, and we always insist that quality is life.
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Good Cooperation

02

Good Cooperation

The company follows the quality principle of "Quality is the life of an enterprise".
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Customer Visit

03

Customer Visit

Perfect after-sales service as an effective value-added service for customers.
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Our Certificate

04

Our Certificate

We have been certified by ISO9001 and ISO14001 environmental management system.
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GNEE STEEL(TIANJIN)CO.,LTD

GNEE supplies carbon steel pipes including ASTM A106, ASTM A53, and API 5L for industrial, energy, and pipeline applications. We offer reliable sourcing, quality control, and export support tailored to different project requirements.

STEEL PIPE PROCESSING SERVICES

Surface treatment
Profiling
Beveling
Cutting to Length
Pipe fittings custom assembly
Threading
Protective Coatings
QUALITY CONTROL

Eddy current testing
Magnetic particle testing
Ultrasonic testing
Tensile strength test
Yield strength test
Elongation test
Charpy V-notch impact test
Hardness test (BHN, HV, RC, HRB)
Hydrostatic test

Latest Products

GNEE supplies a wide range of steel piping products, including carbon steel pipes, alloy steel pipes, boiler tubes, and galvanized steel pipes. With extensive export experience, we serve customers in global markets and provide reliable piping solutions for oil & gas, energy, construction, and industrial applications.

API 5L X56 Carbon Steel Seamless Pipes

API 5L X56 carbon steel seamless pipe has good toughness and ductility, can adapt to various complex geological...

API 5L X60 Carbon Steel Seamless Pipe

API 5L X60 Pipe is a high-strength, high-toughness seamless steel pipe mainly used for high-pressure and deep well...

API 5L Grade X65 Pipe

X65 pipeline steel is a high-strength, high-toughness steel that is mainly used in pipeline projects for...

ASTM A335 Seamless Alloy Pipes

ASTM A335 seamless alloy pipe is a kind of seamless alloy steel pipe for high temperature use. It has high lasting...

321 321H Stainless Steel Tubing

321 and 321H stainless steel tubes, as important members of the austenitic stainless steel family, are based on the...

A333 Gr.1 Gr.3 Gr.6 Seamless Alloy Pipe

A333 Gr1 Gr3 Gr6 cryogenic pipe is a kind of industrial pipe, suitable for seamless steel pipes for -45℃~-195℃...

ASTM A519 Seamless Alloy Steel Tube

ASTM A519 seamless alloy steel pipe is a high-strength, high-toughness seamless steel pipe, mainly used in...

API 5L PSL1 Line Pipe

API 5L PSL1 (Product Specification Level 1) Line Pipe refers to a standard set by the American Petroleum Institute...

Main Products

Reason to Choose GNEE (Tianjin)

GNEE is a professional steel pipe supplier with extensive international experience. We provide customers with a full range of high-quality steel pipe products.

450+ MT

Finished Pipe Stock
100%

Heat & MTC Traceability
600+

Cooperating Partner
18+

Years of Steel Pipe Export

Why Choose Us

One-stop service makes choice easier

Professional sales team to provide customers with first-class services; Strict procurement and quality inspection team to carefully select high-quality raw materials; Advanced technology team to increase production and reduce costs for customers; Excellent design and processing team to be carefully crafted and refined; considerate A dedicated transportation and logistics team ensures product transportation.

Become the most competitive supplier in the world

GNEE adheres to the tenet of "careful management, customer first, coordinated development, and contribution to society" and adheres to the business philosophy of "technology first, quality first, pursuit of excellence, and integrity for the future" to continuously meet the different needs of global customers in the steel supply chain.

Hot Products