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Premium Flange & Pipe Fitting Manufacturer

HengTong Pipeline Co., Ltd – trusted Chinese manufacturer of industrial pipeline components including flanges, fittings, valves, gaskets, and steel pipes. Deliver ex-works in 3 days with 2x longer quality guarantee.

3 Days

Ex-works delivery for flanges & fittings

2x Longer

Quality life guarantee vs competitors

24h

Quotation & inquiry response time

Get Quotation Now

About HengTong Pipeline

HengTong Pipeline Co., Ltd is a professional flange and pipe fitting manufacturer in China, specializing in manufacturing and selling pipe flanges, pipe fittings, steel pipes, valves, fasteners, gaskets, and other spare parts for industrial use.

We aim to provide a complete package of steel pipeline products and services. With over 1,000 overseas projects completed and exports to 93 countries, we are committed to zero quality complaints within 5 years.

  • Ex-works delivery in 3 days (flanges & fittings)
  • 2x longer quality life guarantee
  • 24-hour response for all inquiries
  • ISO 9001:2008 Certified Manufacturer
Factory Inspection

Our Products

Comprehensive range of industrial pipeline components manufactured to international standards including ASME, ANSI, ASTM, and ISO.

Weld Neck Flange

Weld Neck Flange

ASTM A105, ASME B16.5, Class 150–2500, 1/2"–90"

  • • High-pressure applications
  • • Long-term reliability
  • • Full penetration welding
Slip On Flange

Slip On Flange

ASTM A105, ASME B16.5, RF/FF, Class 150–900

  • • Cost-effective solution
  • • Easy alignment
  • • Suitable for low-pressure systems
Blind Flange

Blind Flange

ASTM A105, A350 LF2, Class 150–2500, 1/2"–90"

  • • Seals pipe ends
  • • High-pressure sealing
  • • Ideal for system isolation
Pipe Elbow

Pipe Elbow

CS/SS/AS, ANSI B16.9, 24"–90", 15°–180°

  • • Seamless & welded options
  • • Carbon, stainless, alloy steel
  • • Precision bending
Pipe Reducer

Eccentric Reducer

6"x8", ASTM A234 WPB, ANSI B16.9

  • • Off-center bore
  • • Prevents air pockets
  • • Used in pump suction lines
Orifice Flange

Orifice Flange

ASME B16.36, ASTM A105, 1/2"–24", CL300

  • • Flow measurement
  • • Dual weld neck design
  • • Pressure tap holes
Socket Weld Flange

Socket Weld Flange

ASTM A105, Class 3000/6000, 1/2"–4"

  • • High-integrity joints
  • • Suitable for small bore piping
  • • Smooth bore transition
Spiral Wound Gasket

Spiral Wound Gasket

Carbon steel outer ring, SS304 + graphite filler

  • • High-temperature resistant
  • • Excellent recovery
  • • Used in refineries & power plants

Why Choose HengTong Pipeline?

Fast Delivery

Flanges and pipe fittings delivered ex-works in just 3 days. Carbon steel pipes, valves, gaskets, and fasteners available in 15 days for urgent projects.

2x Longer Quality Life

We guarantee product quality life twice as long as standard manufacturers. Backed by ISO 9001:2008 certification and third-party inspection acceptance.

24-Hour Response

Get your quotation or technical inquiry answered within 24 hours. Dedicated sales team provides one-on-one support from order to delivery.

Trusted by Industry Worldwide

93
Countries Served
1,000+
Overseas Projects
5 Yrs
Zero Quality Complaints
3 Days
Ex-Works Delivery

Our Projects

Egypt Gas Pipeline Project

Supply of high-pressure carbon steel flanges and fittings for natural gas transmission infrastructure across northern Egypt.

Hungary Combined Heat and Power Project

Delivery of stainless steel valves and gaskets for district heating and power generation systems in central Hungary.

Turkey Izmir Urban Water Supply

Comprehensive pipeline solution including ductile iron pipes, flanges, and fittings for municipal water network upgrade.

Frequently Asked Questions

What is your standard delivery time?

Flanges and pipe fittings are delivered ex-works in 3 days. Other pipeline materials such as pipes, valves, and gaskets can be delivered within 5–15 days depending on order size and specifications.

Do you accept third-party inspections?

Yes, HengTong Pipeline Co., Ltd accepts any third-party inspection for pipe fittings, flanges, and other pipeline components. We comply with international quality standards and documentation requirements.

What materials do you manufacture?

We produce components in carbon steel, low-temperature steel, galvanized steel, alloy steel, stainless steel, and ductile iron. All materials meet ASTM, ASME, and ISO specifications.

How can I get a quotation?

You can get a quotation within 24 hours by contacting us via email at sales@htpipeline.com or phone at +86-21-3126 2693. We provide detailed technical support and one-on-one service.

Get in Touch

Have questions or need a quotation? Contact HengTong Pipeline today for fast, professional support.

Phone: +86-21-3126 2693
Email: sales@htpipeline.com
Address: No.888, Huanhu West 2nd Road, Nanhui, Pudong, Shanghai, P.R. China, 201306

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