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China’s Premium Manufacturer
of Steel Flanges

ISO9001:2015 & PED EN 764-5 Certified | Over 20 Years of Excellence | Rapid Lead Times | Global Delivery

Reliable Manufacturing

China's trusted source for high-performance steel flanges and forgings.

Rapid Lead Time

Fast-turnaround production without compromising quality.

Quality Assurance

Certified processes ensuring reliability and customer satisfaction.

Explore Our Products

About WiloP Forge

Wilop Forge and Foundry is an ISO9001:2015 and PED EN 764-5, Section 4.2 certified manufacturer with over 20 years of performance-proven reputation in the steel flange and forging industry.

As a leading Chinese manufacturer, we specialize in producing high-quality steel flanges and forgings for demanding industrial applications across oil & gas, petrochemical, power generation, and marine sectors.

Our commitment to excellence, precision engineering, and customer satisfaction has made us a preferred supplier for clients worldwide. We offer perfect solutions for large-diameter flanges and custom forging requirements.

ISO9001:2015 & PED Certified
20+ Years Industry Experience
Global Export Capability
Fast Turnaround & On-Time Delivery
WiloP Manufacturing Facility

Our Products

High-quality steel flanges and forgings engineered for performance, durability, and precision in critical applications.

Weld Neck Flange

Weld Neck Flange

Ideal for high-pressure and high-temperature applications. Precision-welded design ensures maximum strength and leak resistance.

  • Standards: ASME B16.5, B16.47
  • Materials: Carbon Steel, Stainless Steel, Alloy Steel
  • Sizes: 1/2" to 60"
Slip-On Flange

Slip-On Flange

Cost-effective solution for low-pressure systems. Easy installation with internal and external fillet welds.

  • Standards: ASME B16.5
  • Materials: A105, SS304, SS316
  • Sizes: 1/2" to 24"
Blind Flange

Blind Flange

Used to seal the end of piping systems. Ideal for pressure testing and future expansion points.

  • Standards: ASME B16.5, B16.47
  • Materials: Carbon, Stainless, Duplex
  • Sizes: 1/2" to 60"
Socket Weld Flange

Socket Weld Flange

Designed for small-bore, high-pressure piping. Provides excellent alignment and structural integrity.

  • Standards: ASME B16.5
  • Materials: A105, F316, Alloy 22
  • Sizes: 1/2" to 2"
Lap Joint Flange

Lap Joint Flange

Used with stub ends for easy alignment and disassembly. Ideal for systems requiring frequent maintenance.

  • Standards: ASME B16.5
  • Materials: Carbon Steel, Stainless Steel
  • Sizes: 1/2" to 24"
Threaded Flange

Threaded Flange

Screwed onto pipe threads without welding. Suitable for explosive or hard-to-weld environments.

  • Standards: ASME B16.5
  • Materials: A105, SS410, SS316
  • Sizes: 1/2" to 24"

Custom Forged Flanges

Tailored solutions for unique specifications and non-standard applications. CNC precision machining available.

  • Capabilities: Up to 60" diameter
  • Materials: Custom alloys available
  • Standards: API, ANSI, DIN, JIS

Steel Forgings

High-strength forged components for valves, pumps, and industrial machinery. Superior grain structure and durability.

  • Types: Rings, discs, blanks, custom shapes
  • Weight Range: 5kg to 10,000kg
  • Processes: Open-die & closed-die forging

Our Capabilities

Advanced manufacturing infrastructure and quality systems to deliver precision-engineered flanges and forgings on time, every time.

Rapid Lead Time

Fast-turnaround production with optimized workflows and inventory management.

ISO9001:2015 Certified

Quality management systems ensuring consistency and reliability in every product.

Large Diameter Expertise

Specialized in manufacturing flanges up to 60 inches in diameter with precision.

Global Delivery

Reliable logistics network serving customers in North America, Europe, and Asia.

Manufacturing Facilities

Our state-of-the-art forging and machining facilities in Dingxiang County, Shanxi Province, China, are equipped with modern CNC machines, forging hammers, heat treatment systems, and comprehensive testing equipment.

From raw material inspection to final packaging, every stage is monitored for quality, dimensional accuracy, and compliance with international standards.

  • 20,000+ sqm production area
  • 150+ skilled technicians and engineers
  • In-house metallurgical lab
  • NDT, hydrotesting, and PMI capabilities
Manufacturing Facility

Contact WiloP Forge

Ready to discuss your flange or forging requirements? Reach out to our sales team for quotes, technical support, or custom solutions.

Manufacturing Facilities

Cuijiazhuang Village, Dingxiang County,
Shanxi Province, China

Sales Office

394 Zhongnan Road, Suite 342,
Dalian, China

Phone

+86-181-411-11058

Email

[email protected]

Visit Official Website
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