SHDH Forging | Premium Flanges & Forgings for Global Industries

About SHDH Forging

Shanxi DongHuang Wind Power Flange Manufacturing Co., LTD. is a leading manufacturer, exporter, and distributor of flanges, forgings, and related components for renewable energy, oil & gas, petrochemicals, power generation, shipbuilding, and more.

With over two decades of experience, we specialize in open die forging and die forging, delivering precision-engineered products that meet international standards. Our qualified heat treatment success rate reaches 97.8%, ensuring reliability and durability in every component.

20+

Years Experience

80+

Staff & Technicians

1000+

Forgings Produced

20,000 T

Annual Output

Our Product Lines

We manufacture a wide range of flanges and forgings tailored to meet the exact specifications of global industries.

Wind Power Flange

Large diameter flanges made from Q345E/S355NL steel, normalized for -40°C operation. Structural component for wind towers and hubs.

Forged Solid Bar

High-strength alloy and carbon steel bars for shafts, spindles, and industrial machinery components.

Steel Forged Discs

Precision-forged discs used in gears, rotors, and power transmission systems. Available in various alloys.

Forged Rings

Large and small diameter rings for bearings, pressure vessels, and aerospace applications. Custom sizes available.

Forged Shafts

Main shafts, drive shafts, and roller step shafts for automotive, railway, and industrial machinery.

Forged Blocks

Cubic and rectangular forged blocks used as raw material for machining gears, pulleys, and structural parts.

Forged Cylinders

Hollow and solid cylinders for hydraulic systems, pressure equipment, and industrial applications.

Custom Forgings

Made-to-order forgings based on drawings and chemical composition. Full machining and heat treatment available.

Forged Tubes

Hollow bar forgings for mechanical and structural applications. Available in carbon and alloy steels.

Forged Tube Sheet

Precision-forged tube sheets for heat exchangers, boilers, and pressure vessels. Drilled and machined to spec.

Alloy Steel Gear Ring

High-torque gear rings for wind turbines, mining, and heavy machinery. Heat-treated for durability.

Rolling Steel Balls

Forged steel balls for grinding mills, crushers, and industrial processing equipment.

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Industries We Serve

Renewable Energy

We supply large-diameter wind power flanges made from low-alloy high-strength steel (Q345E/S355NL), normalized to withstand -40°C environments. These flanges connect wind tower sections and hubs, ensuring structural integrity in extreme conditions.

Oil & Gas Industries

Our flanges meet stringent requirements for upstream, midstream, and downstream operations. We offer SSC-resistant (sulfide stress cracking) flanges for sour refinery environments containing wet H₂S, ensuring safety and reliability.

Railway & Automotive

We produce forged drive shafts and main spindles used in tank trucks, fuel tankers, road wreckers, garbage trucks, and lathe machines. Our components ensure durability under high stress and dynamic loads.

Food Processing

Custom forgings for starch, sugar, and food processing industries. Components are manufactured to meet hygiene and corrosion resistance standards, ensuring safe and efficient operation.

Petrochemical & Refinery

High-performance flanges and forgings for reactors, pipelines, and pressure vessels. Materials selected for corrosion resistance and mechanical strength in aggressive chemical environments.

Power & Shipbuilding

Forged components for turbines, generators, and marine propulsion systems. We deliver reliable parts that meet marine classification standards and power plant specifications.

Our Capabilities

Open Die Forging

Precision shaping of large ingots into bars, discs, blocks, and shafts using open die techniques for superior grain structure and mechanical properties.

Custom Machining

Rough and finished machining services including turning, drilling, milling, and surface finishing to meet exact dimensional tolerances.

Heat Treatment

Normalizing, quenching, tempering, and annealing processes to enhance strength, toughness, and wear resistance. 97.8% qualification rate.

Frequently Asked Questions

What materials do you use for flanges and forgings?

We work with carbon steel, stainless steel, alloy steel, and special grades including Q345E/S355NL for wind power flanges. Custom materials based on client specifications are also available.

Can you produce custom forgings from drawings?

Yes, we specialize in custom forgings based on technical drawings, chemical composition, and mechanical property requirements. We offer full machining and heat treatment services.

What certifications do you hold?

We are ISO 9001 certified and our products comply with international standards. TUV certification is also available for select products.

What is your annual production capacity?

We produce over 1,000 forgings annually with a total output of more than 20,000 metric tons of flanges and forgings per year.

Do you export globally?

Yes, our products are exported to over 40 countries worldwide, serving industries such as renewable energy, oil & gas, automotive, and shipbuilding.

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Precision Forgings & Flanges for Global Industry