Langfang Yongsheng Industrial Products Co., Ltd.
+86-13373362088
Manufacturing Since 1983

Leading Manufacturer of Industrial Flanges

We are a premier manufacturer specializing in a wide range of industrial flanges. With decades of experience, we deliver high-quality products that meet the strictest international standards, ensuring reliability for your most critical applications.

40+ Years of Experience

Mature processes for reliable products.

Certified Quality

Certified for quality & traceability.

Global Standards

Strict compliance with ASME, EN, DIN.

Custom Design

Custom flanges from your drawings.

Our Product

Our Main Product Categories

Flanges

A complete range of industrial flanges including Weld Neck, Slip-On, and Blind.

Flange Cover

A solid disc with bolt holes used to seal the end of a pipe or vessel opening.

Flange Bolt

High-strength stud bolts and machine bolts for secure, reliable flange connections.

Flange Nut

Precision-threaded heavy hex nuts designed to pair with flange bolts for optimal grip.

Flange Gasket

A wide selection of gaskets for creating a perfect, leak-proof seal between flanges.

Flange Valve

Industrial valves with flanged ends for easy installation and maintenance in pipelines.

Flange Drain

Drain rings and bleed rings installed between flanges for sampling or draining lines.

Flange Fittings

A variety of pipe fittings with flanged connections for versatile system construction.

Flange Coupling

Rigid couplings with flanged ends for securely connecting rotating shafts in machinery.

About Us

Your Trusted Partner in Flange Solutions

We are a specialized manufacturer with a core focus on industrial flanges and custom forgings. With over 150 skilled employees and a 50,000 m² facility, we combine extensive experience with modern technology to serve clients globally.

Our Commitment

Manufacturing & Quality Control

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2025
Year Established
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Skilled Employees
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Facility Area
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Technical Engineers
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Application Industries

Our Flange Serving Key Industries

Oil & Gas / Petrochemical
Providing robust flanges for critical upstream and downstream operations under extreme pressure and corrosive conditions.
Water & Wastewater Treatment
Providing durable flanges with specialized coatings for waterworks, desalination plants, and treatment facilities.
Chemical Processing
Offering a wide range of stainless steel and alloy flanges to handle corrosive media and high-purity applications.
Construction & Infrastructure
Supporting large-scale infrastructure projects with reliable flanges for structural and utility piping systems.
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