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Premium Industrial Steel Pipe Fittings from China

High-quality Carbon Steel, Stainless Steel, Alloy, and HDPE Pipe Fittings manufactured to ANSI, ASME, DIN, JIS, and GB standards. Trusted by global industries since 2002.

Industrial Steel Pipe Fittings

Who We Are

Xi'an Longjoy Foreign Trade Co., Ltd. – A trusted manufacturer and exporter of industrial pipe fittings since 2002.

Xi'an Longjoy Foreign Trade Co., Ltd.

Established in 2002 and headquartered in Xi'an, China, Xi'an Longjoy Foreign Trade Co., Ltd. specializes in the import and export of industrial pipe fittings. We serve clients across oil & gas, chemical, construction, and water treatment industries.

Our product range includes carbon steel, stainless steel, alloy, and HDPE fittings, all manufactured to international standards such as ANSI, ASME, DIN, JIS, and GB.

  • ISO-Certified Manufacturing
  • Over 20 Years of Export Experience
  • Global Shipping & Reliable Logistics
  • Strict Quality Control & Testing

Our Premium Products

Explore our wide range of industrial steel pipe fittings built for durability and performance.

SS Buttweld Cross Tee

SS Buttweld Cross Tee

Stainless Steel Buttweld Fittings for industrial pipeline systems. Ideal for high-pressure applications.

  • Material: Stainless Steel (SS304/SS316L)
  • Standard: ANSI, ASME, DIN
  • Size: 1/2" to 6"
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Stainless Steel Flanges

Stainless Steel Flanges

High-grade SS304/SS316L flanges for secure pipe connections in corrosive environments.

  • Material: SS304, SS316L
  • Size: 1/8" to 2"
  • Standard: ANSI B16.5, DIN
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Carbon Steel Flanges

Full Size Post Weld Neck Flanges

Heavy-duty carbon steel flanges designed for high-stress industrial applications.

  • Material: Carbon Steel
  • Standard: ANSI B16.47, ASME
  • Size: Full-size range available
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Carbon Steel Buttweld Elbow

Carbon Steel Buttweld Elbow

90° and 45° seamless elbows for smooth fluid flow in industrial pipelines.

  • Material: ASTM A234 WPB
  • Size: 1/2" to 48"
  • Standard: ANSI B16.9
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HDPE Pipe Fittings

HDPE Electrofusion Fittings

Durable HDPE fittings for water and gas pipelines with excellent corrosion resistance.

  • Material: High-Density Polyethylene
  • Size: DN20 to DN630
  • Type: Electrofusion, Butt Fusion
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Alloy Steel Pipe Fittings

Alloy Steel Pipe Fittings

High-performance fittings for extreme temperature and pressure environments.

  • Material: ASTM A234 WP5, WP9, WP11
  • Application: Power, Petrochemical
  • Standard: ASME B16.9
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Ductile Iron Fittings

Ductile Iron Pipe Fittings

Robust fittings for soil and water pipeline systems with high tensile strength.

  • Material: Ductile Iron (EN-GJS-400)
  • Size: DN15 to DN1200
  • Standard: ISO 2531, EN 545
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Socket Weld Fittings

Socket Weld Fittings

Precision-engineered carbon and stainless steel socket weld fittings for high-pressure systems.

  • Standard: ASME B16.11
  • Pressure: 3000 LB, 6000 LB
  • Types: Elbows, Tees, Couplings
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Quality Control

Our rigorous quality assurance process ensures every fitting meets international standards.

Our QC Process Flow

  1. 1 Raw Material Inspection: Certified material test reports (MTRs) verified.
  2. 2 Forming & Heat Treatment: Precision forging and controlled heat cycles.
  3. 3 Bevelling & Machining: CNC precision for accurate weld preparation.
  4. 4 Surface Treatment: Sandblasting, pickling, passivation for corrosion resistance.
  5. 5 Non-Destructive Testing: Radiographic (RT), Ultrasonic (UT), Dye Penetrant (PT).
  6. 6 Final Inspection & Packaging: Dimensional checks and protective packaging.
Quality Control Process
20+
Years in Business
300+
Product Types
50+
Countries Served
100%
Quality Inspection

Customer Reviews

Hear what our global clients say about our service and quality.

"The manager is beautiful and responsible. She has become my best friend in China."

— Zyrah

"I am very lucky to find you on Google and look forward to our cooperation again."

— Oliver

"Wonderful quality and excellent service."

— Andren

"There were a few hiccups in transportation due to COVID-19, but they were all handled well by the manager, and the company is really trustworthy."

— Bonnie

Contact Us

For inquiries, quotes, or technical support, reach out to our team.

Email: rachel@longjoytrade.com

Address: Room 703, Land Center T2, YanZhan Road, No.1111, QuJiang New District, Xi'an, China

Work Time: 9:00 AM – 6:00 PM (Beijing Time)

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